FURVERT!

1:1 2sakae5 ambiguous_gender avian beak bird clothing dialogue eurasian_tree_sparrow feral feralized footwear hat headgear headwear humor japanese_text jojo's_bizarre_adventure jotaro's_hat jotaro_kujo meme oscine passerine shoes simple_background solo sparrow speech_bubble stardust_crusaders text what white_background

2sakae5 ambiguous_gender avian bird black_body black_eyes black_feathers black_hair blonde_hair blue_body blue_feathers bluebird bowler_hat chat_(bird) clothing dead_man's_questions diamond_is_unbreakable eastern_bluebird feathered_wings feathers feral feralized footprint group grumpy hair hat headgear headwear himalayan_bluetail japanese_text jojo's_bizarre_adventure jojolion knife meme mountain_bluebird old_world_flycatcher orange_body orange_feathers oscine passerine purple_body purple_feathers saxicoline simple_background speech_bubble text thrush_(bird) translation_request what white_background white_body white_feathers wings yoshikage_kira yoshikage_kira_(jojolion)

2sakae5 alternate_species ambiguous_gender avian bird bluethroat bodily_fluids canary clothing crying dialogue dio_brando feral feralized finch flower furrification group hat headgear headwear japanese_text jojo's_bizarre_adventure jonathan_joestar mask meme open_mouth oscine parody partially_translated passerine phantom_blood plant robert_e._o._speedwagon russet_sparrow simple_background speech_bubble stick tears text tongue translation_request what white_background will_zeppeli

2sakae5 alternate_species ambiguous_gender apple avian battle_tendency beak bird black_hair blonde_hair bruno_bucciarati budgerigar caesar_zeppeli cere_(anatomy) chat_(bird) clothing european_robin eyewear feathers feral feralized food footwear fruit furrification glasses golden_wind group hair hat headgear headwear iago_sparrow japanese_text jojo's_bizarre_adventure joseph_joestar loriine meme old_world_flycatcher open_mouth oscine parakeet parrot partially_translated passerine plant red_hair robert_e._o._speedwagon robin_(bird) saxicoline shoes simple_background sparrow text tit_(bird) translation_request true_parrot what white_background willow_tit

2sakae5 accessory alauda alternate_species ambiguous_gender ass_up avian beady_eyes beak biped bird black_beak black_body black_eyes black_face black_feathers black_hair black_text black_wings blonde_hair blue-and-white_flycatcher blue_body blue_clothing blue_face blue_feathers blue_headwear brown_beak brown_body brown_face brown_feathers brown_markings brown_tail brown_tail_feathers brown_wings bushtit cheek_markings clothed clothed_feral clothing confident conical_beak curved_beak dark_beak dark_eyes dark_text dialogue diamond_is_unbreakable english_text estrildid eurasian_skylark eyewear facial_markings feathered_arms feathered_wings feathers feral feral_with_hair feralized finch flattop food footwear fruit furrification giorno_giovanna glasses golden_wind great_sparrow grey_beak grey_body grey_face grey_feathers grey_hair grey_wings group guido_mista hair hair_accessory hairband hat head_in_ground head_markings headgear headwear japanese_text jean_pierre_polnareff jojo's_bizarre_adventure josuke_higashikata lark_(bird) light_body light_face light_feathers markings meme monotone_beak monotone_clothing monotone_face monotone_footwear monotone_hair monotone_shoes monotone_tail monotone_wings muhammad_avdol multicolored_beak multicolored_body multicolored_clothing multicolored_face multicolored_feathers multicolored_headwear multicolored_wings narrow_beak narrow_legs old_world_flycatcher old_world_sparrow open_beak open_mouth orange_beak oscine passer passerid passerine pattern_clothing pattern_headgear pattern_headwear pink_hair plant plantigrade pompadour purple_clothing purple_footwear purple_shoes red_beak red_clothing red_hair red_headwear reimi_sugimoto shoes simple_background speech_bubble stardust_crusaders sudan_golden_sparrow tail text translation_request two_tone_beak two_tone_face two_tone_wings what white_background white_body white_clothing white_face white_feathers white_hair white_headwear white_markings white_wings winged_arms wings yellow_beak yellow_body yellow_face yellow_feathers zebra_finch

anthro avian bedroom_eyes bird blaze_the_cat breasts digital_drawing_(artwork) digital_media_(artwork) domestic_cat duo erection felid feline felis female genitals hi_res hirundinid looking_at_viewer male mammal mostly_nude multiple_images narrowed_eyes non-mammal_breasts oscine passerine penis seductive sega simple_background sketch solo solo_focus sonic_riders sonic_the_hedgehog_(series) swallow_(bird) vulva wave_the_swallow white_background zinnthos

2_horns 2_toes 3_toes anthro avian avian_feet balls bird blue_jay blush bodily_fluids bovid caprine cartoon_network corvid cum cum_on_own_tongue cum_on_self cum_on_tongue cum_taste cumshot duo ejaculation erection facial_hair feathers feet genital_fluids genitals goat goatee handjob horn interspecies jay_(bird) licking male male/male male_anthro mammal mordecai_(regular_show) new_world_jay orgasm oscine passerine penile penis regular_show self_taste sex simple_background sunnynoga tail tail_feathers thomas_(regular_show) toes tongue tongue_out

1:1 accessory anthro apron arm_garter avian bdsm beak bird black_body black_bottomwear black_clothing black_feathers black_skirt black_tie_(suit) bottomwear braided_hair claws clothed clothing collar colored_nails corvid corvus_(genus) crow deckland duo equid equine feathered_wings feathers female flower frilly garter gradient_background grey_body grey_claws grey_feathers grey_hair grey_hooves grey_nails hair hooves horse leash leg_garter maid_uniform male mammal miniskirt nails oscine passerine petplay plant purple_background ribbons roleplay romantic romantic_couple rose_(flower) simple_background single_braid sitting skirt suit tail uniform wariza wings xai_xevion

2008 absurd_res anthro avian beak bird corvid corvus_(genus) crow hi_res male nude oscine outside passerine precosiouschild sky solo

abs anthro avian beak bird black_body black_feathers blue_body blue_eyes blue_feathers briefs bulge claws clothed clothing corvid corvus_(genus) crow digitigrade feathers feet hi_res jewelry looking_at_viewer male maskedjackal muscular muscular_anthro muscular_male necklace oscine passerine pecs peritian pertinax pose raven solo talons toes topless underwear

4_toes anthro avian biped bird breasts feet female hammock hindpaw lizanne looking_at_viewer lying lyrebird non-mammal_breasts nude oscine passerine paws solo superb_lyrebird thebeesknees toes

ambiguous_gender avian bird black_body black_feathers corvid corvus_(genus) crow feathered_wings feathers feral fugueraven orange_background oscine passerine raven simple_background solo wings

anthro anthro_on_anthro avian bird bodily_fluids corvid corvus_(genus) crow cum drooling duo female genital_fluids hair male male/female oscine passerine ponytail raven saliva sex tail unknown_artist wet

anthro avian beak biped bird bottomwear caninelove cardinal_(bird) clothed clothing cosplay crossdressing digital_media_(artwork) eyebrows feathers femboy leaning leaning_forward looking_at_viewer male midriff navel nekra northern_cardinal orange_eyes oscine passerine recettear red_body red_feathers shaded skirt solo standing tail tail_feathers tail_over_skirt topwear vest

2013 anthro avian balls beak biped bird cardinal_(bird) erection genitals hi_res humanoid_genitalia humanoid_penis looking_at_viewer male nekra non-mammal_balls northern_cardinal nude one_eye_closed oscine passerine penis pose sitting solo spread_legs spreading tokifuji

1:1 3_toes abluedeer abstract_background anthro avian avian_feet beak biped bird bound cable cardinal_(bird) chest_tuft dangling digital_media_(artwork) feathers feet female fur hi_res looking_at_viewer navel nekra northern_cardinal nude oscine passerine red_body red_feathers shaded simple_background solo submissive submissive_female tail tail_feathers talons toes tuft

anal anal_penetration anthro anus armadillo avian balls bat beak bird blush breast_play breasts canary double_penetration drxii duo ear_piercing english_text erection fangs feathers female finch fleetway_comics fur genital_piercing genitals green_body green_feathers group hand_on_butt labia_majora_piercing labia_piercing looking_back male male/female mammal mighty_the_armadillo multiple_images nine-banded_armadillo nipple_piercing nipples open_mouth oral oral_penetration oscine passerine penetration penile penile_penetration penis penis_in_ass penis_in_vagina piercing pupils rouge_the_bat sega sex slit_pupils solo_focus sonic_riders sonic_the_comic sonic_the_hedgehog_(comics) sonic_the_hedgehog_(series) teeth tekno_the_canary text titfuck tongue vaginal vaginal_penetration vulva vulva_piercing white_body white_fur xenarthran

3:4 anthro anus avian biped bird cardinal_(bird) erection femboy genitals hi_res kami-chan kneeling looking_at_viewer male male_anthro nekra northern_cardinal nude oscine passerine penis raised_tail solo tail text url

anthro armwear avian biped bird bodysuit cardinal_(bird) choker clothed clothing crossdressing digital_media_(artwork) elbow_gloves gloves handwear hi_res jewelry legwear looking_at_viewer luckypan male necklace nekra northern_cardinal oscine passerine pose skinsuit solo standing stockings tight_clothing

2013 anthro avian beak bird black_body black_feathers border breasts corvid corvus_(genus) crow feathers feet female looking_aside nipples non-mammal_breasts non-mammal_nipples nude oscine outside_border passerine ruaidri simple_background solo tail tail_feathers talons toes walking yellow_sclera

2013 anthro armor avian beak biped bird bracelet breasts claws clothing corvid corvus_(genus) crow feathered_wings feathers feet female gauntlets gloves handwear jewelry leaning leaning_backward looking_at_viewer navel non-mammal_breasts oscine passerine pinup pose red_eyes rictal_bristles royalty_(artist) seductive sitting solo spread_wings swimwear talons toes wings

4:3 ambiguous_gender anthro anthro_on_feral avian bestiality bird bodily_fluids broken_horn corvid corvus_(genus) crow cum cumshot dominant ejaculation erection feral genital_fluids genitals group handjob horn interspecies larger_dom larger_male male male/ambiguous mammal monochrome monster orgasm oscine passerine penile penis raven rodent sex simple_background size_difference size_play white_background xenoforge

2013 absurd_res anthro avian beak bedroom_eyes big_breasts bird breasts cane clothed clothing corvid corvus_(genus) crow dated digital_media_(artwork) feet female hat headgear headwear hi_res narrowed_eyes nipple_outline non-mammal_breasts oscine passerine plague_doctor red_eyes robe seductive solo talons the_plague_bird toes walter_sache

2_toes anthro avian balls beak bird blue_jay corvid erection feathers feet fender_mcbender foreskin foreskin_play genitals humanoid_genitalia humanoid_penis hypnosis jay_(bird) male mind_control new_world_jay nude oscine passerine paws penis plantigrade redic-nomad ringed_eyes simple_background soles solo submissive submissive_male toes

2000 anthro avian bird black_and_white breasts chicken clothing comic deraptor dinosaur dromaeosaurid english_text eyewear female flat_chested galliform glasses group humor innuendo magical_girl_outfit monochrome non-mammal_breasts oscine owl parody passerine phasianid prehistoric_species reptile s_h_morgan sailor_uniform saurischian scalie text theropod tit_(bird) toony uniform velociraptor

2009 anthro avian band bass_guitar big_breasts bird breasts canid canine cleavage clothed clothing cockatoo colored concert corvid digital_media_(artwork) drum drum_set electric_guitar electronics english_text felid female female_focus furgonomics group guitar jaeh jaeh_(character) looking_at_viewer male mammal microphone music musical_instrument open_mouth oscine parrot passerine percussion_instrument playing_guitar playing_music plucked_string_instrument rock_(genre) rock_band signature solo_focus stage string_instrument tail tail_clothing text tight_clothing topless

2013 animal_genitalia anus avian bdsm bird blindfold blue_body blue_feathers bondage bound erection falconry_hood feathered_wings feathers genital_slit genitals hirundinid hood lying male mask nude on_back oscine passerine penis solo spread_legs spreading submissive submissive_male swallow_(bird) windpaw wings wrists_to_ankles

anthro avian avian_feet beak bedroom_eyes bird blue_eyes brown_body brown_feathers clothing covering covering_self feathers feet female hat hat_only headgear headgear_only headwear headwear_only lizanne looking_at_viewer lyrebird mostly_nude narrowed_eyes oscine passerine pinup pose ruaidri scuted_arms scuted_feet scuted_hands scuted_legs scutes seductive solo superb_lyrebird tail tail_feathers talons toes

2013 anthro arthropod avian bird black_hair bra butterfly clothing corvid corvus_(genus) crow detailed_background feathered_wings feathers female forest glowing glowing_eyes green_eyes hair heart_symbol insect lepidopteran markings na-namie oscine outside passerine plant solo tree underwear usagina white_markings wings

2009 abs abstract_background anthro athletic avian beak biceps biped bird blue_body blue_feathers claws corvid corvus_(genus) crow feathered_wings feathers feet grey_background looking_at_viewer male muscular muscular_anthro nikota nude oscine passerine pecs pose raven realistic_wings rictal_bristles simple_background solo standing talons toe_claws toes white_eyes wings

anthro areola avian balls beak beak_fetish beak_play beak_sex beakjob big_breasts bird bodily_fluids breasts cere_(anatomy) clothing columbid crowned_pigeon cum cum_in_mouth cum_inside duo erect_nipples erection eyewear eyewear_on_head fellatio female footwear genital_fluids genitals gynomorph gynomorph/female gynomorph_penetrating headgear headkerchief headwear hirundinid huge_breasts intersex intersex/female intersex_penetrating josemalvado kerchief nipples non-mammal_balls non-mammal_breasts non-mammal_nipples nude oral oral_penetration orgasm oscine passerine penetration penile penis pigeon sega sex shoes side_view simple_background sonic_riders sonic_the_hedgehog_(series) sunglasses swallow_(bird) victoria_crowned_pigeon wave_the_swallow white_background xaxoqual

2013 3:2 absolutely_everyone amphibian animal_humanoid archer armor avian beverage bird black_body book brady_(fire_emblem) cake candy cape cherche_(fire_emblem) chrom_(fire_emblem) clothing cooking cordelia_(fire_emblem) corvid corvus_(genus) crow cynthia_(fire_emblem) dessert domestic_cat donnel_(fire_emblem) dragon dress eating feathers felid feline felis female fire_emblem fire_emblem_awakening flirting flower food frederick_(fire_emblem) frog fruit furniture gaius_(fire_emblem) gerome_(fire_emblem) gregor_(fire_emblem) group hasuyawn henry_(fire_emblem) high-angle_view holding_object holding_tool holding_utensil human human_focus humanoid inigo_(fire_emblem) kellam_(fire_emblem) kitchen_spatula kitchen_utensils kjelle_(fire_emblem) knife lagomorph lagomorph_humanoid large_group laurent_(fire_emblem) leporid_humanoid libra_(fire_emblem) lissa_(fire_emblem) lon'qu_(fire_emblem) lucina_(fire_emblem) magic male mammal mammal_humanoid manakete maribelle_(fire_emblem) mask melee_weapon minerva_(fire_emblem_awakening) miriel_(fire_emblem) morgan_(fire_emblem) mythological_creature mythological_scalie mythology nah_(fire_emblem) nintendo noire_(fire_emblem) not_furry_focus nowi olivia_(fire_emblem) oscine owain_(fire_emblem) panne party passerine pastry pie plant potato rabbit_humanoid ricken_(fire_emblem) robin_(fire_emblem) robin_(fire_emblem)_(male) rose_(flower) scalie severa_(fire_emblem) spatula stahl_(fire_emblem) sully_(fire_emblem) sumia_(fire_emblem) sword taguel tail tea tharja_(fire_emblem) tools umbrella vaike_(fire_emblem) vegetable virion_(fire_emblem) warrior weapon yarne

2013 accipitrid accipitriform all_fours avian backsack balls beak bird blue_eyes bodily_fluids corvid corvus_(genus) crow cum cum_in_vagina cum_inside detailed_background doggystyle duo erection eyes_closed faunoiphilia feathered_wings feathers felid female female_penetrated feral feral_on_feral forest from_behind_position genital_fluids genitals grave_gryphon gryphon happy happy_sex jaguar kite_(bird) knon leucistic lying male male/female male_penetrating male_penetrating_female mammal mythological_avian mythological_creature mythology namugriff nature orgasm oscine outside pantherine passerine penetration penile penile_penetration penis penis_in_vagina plant raven red_kite sex tail tiger tree vaginal vaginal_penetration wings

2013 ailurid anthro aquatic asterozoan avian bagelcollector beak big_breasts bird blue_jay breasts cecaelia cephalopod chart chef cjk_character clothing corvid echinoderm feathers female fish group hair height_chart hi_res hybrid jay_(bird) lineup long_hair mammal mephitid merfolk model_sheet mollusk monochrome new_world_jay oscine passerine procyonid raccoon red_panda short sketch skunk smile split_form starfish starfish_(accessory) starfish_bra tail tall teal_seas tentacles text

2013 alicorn_amulet ambient_arthropod ambient_firefly ambient_insect armor arthropod assassin's_creed avian beak beetle bird black_powder_weapon blue_body blue_fur blue_hooves chaps claws clothing cloud corvid corvus_(genus) crossover crow cutie_mark dagger detailed_background elateroid equid equine eyewear feathered_wings feathers female feral firefly flintlock flintlock_pistol forest friendship_is_magic fur glowing grass gun hair handgun hasbro hat headgear headwear hi_res hooves horn insect jacket knee_pads knife lake lever_action looking_at_viewer magic magic_user mammal melee_weapon monocle moon mountain multicolored_hair my_little_pony mythological_creature mythological_equine mythology night oscine outside passerine pistol pistolgrip plant purple_eyes quadruped ranged_weapon raven revolver revolving_rifle rifle scope signature sky solo standing star suit tail topwear tree trixie_(mlp) two_tone_hair ubisoft unicorn wanted_poster water weapon wings wizard_hat yakovlev-vad

2013 2_toes 3_toes all_fours anal anthro anus avian avian_feet beak bird blue_jay bodily_fluids bulge butt cartoon_network clothed clothing clothing_aside corvid cum digital_media_(artwork) disembodied_penis duo erection feathers feet genital_fluids genitals half-closed_eyes humanoid_genitalia humanoid_penis jay_(bird) jerseydevil male male/male male_penetrated mammal mordecai_(regular_show) narrowed_eyes new_world_jay open_mouth oscine passerine penetration penis procyonid raccoon regular_show rigby_(regular_show) simple_background smile tail tail_feathers thong toes tongue toony topless underwear underwear_aside underwear_sex white_background

2013 anthro avian beak bird blue_body blue_jay butt cartoon_network clothing corvid digital_media_(artwork) feathers jay_(bird) looking_at_viewer looking_back luigiman male mordecai_(regular_show) new_world_jay oscine passerine regular_show solo tail tail_feathers teeth thong toony toothed_beak underwear

anus artist_collaboration avian ball_gag bdsm bird bondage bound canary female finch gag gagged genitals goldblaze oscine passerine restraints saphine solo spreader_bar submissive submissive_female vulva

anthro avian beak big_breasts bird blinding breasts busty_bird corvid corvus_(genus) crow digital_media_(artwork) driving duo english_text female huge_breasts hyper hyper_breasts jaeh male nipple_outline non-mammal_breasts oscine overdose passerine pink_tongue raven singing text tongue

2013 69_position all_fours anal anal_fingering animal_genitalia animal_penis anthro avian balls beak beak_fetish beak_play beak_sex beakjob bird black_penis blue_jay bodily_fluids camping corvid cum cum_in_mouth cum_inside dari digital_media_(artwork) duo equid equine equine_genitalia equine_penis erection eyes_closed feathered_wings feathers fellatio fingering fingering_partner genital_fluids genitals gryphon interspecies jailbird jay_(bird) lying male male/male male_penetrated male_penetrating male_penetrating_male mammal mythological_avian mythological_creature mythology new_world_jay nude oral oral_penetration oscine passerine penetration penile penis penis_bite sex shaded short_story story story_in_description stripes stripes_(character) tail tent wings zebra

accessory alternate_species avian beak bird disney english_text feathered_wings feathers feral furrification headband house_sparrow humor jack_sparrow killintyme male oscine passerine pirate pirates_of_the_caribbean pun simple_background solo sparrow tan_background text visual_pun wings

alpha_channel animated_skeleton avian balls biped bird bone boots cape clothing cocyx corvid corvus_(genus) crow crown digital_drawing_(artwork) digital_media_(artwork) erection footwear genitals gloves greyscale handwear headgear heart_symbol male monochrome not_furry oscine passerine penis portrait pose shaded shoes simple_background simple_shading skeleton skull solo teeth three-quarter_portrait three-quarter_view undead unknown_artist white_background

1:1 2_toes anthro avian avian_feet beak biped bird blue_jay blush broken_heart cartoon_network corvid digital_media_(artwork) emotion_chart english_text exclamation_point feathers feet half-closed_eyes heart_symbol heartbreak jay_(bird) looking_back love male mordecai_(regular_show) narrowed_eyes new_world_jay oscine passerine pose question_mark regular_show simple_background sitting solo tail tail_feathers teeth text toes toony toothed_beak white_background xiamtheferret

2013 anthro avian balls beak bird bodily_fluids breasts butt claws corrsk corvid corvus_(genus) crow cum cum_inside cum_on_balls cum_on_body cum_pool dialogue duo emperor_penguin english_text erection excessive_cum excessive_genital_fluids eye_contact feathers female female_penetrated from_front_position genital_fluids genitals great_penguin knot leg_wrap looking_at_another lying male male/female male_penetrating male_penetrating_female missionary_position non-mammal_breasts nude olivia_(corrsk) on_back oscine passerine paws penetration penguin penis raven raven_(corrsk) sex side_view sweat text

2013 anthro avian beak bird blue_body blue_feathers blue_fur blue_jay canid cartoon_network clothing codename:_kids_next_door corvid crossover cutie_mark diamond_dog_(mlp) dragon equid equine feathered_wings feathers female feral fish_hooks friendship_is_magic fur garble_(mlp) grey_body grey_fur group hair hasbro human insect_wings irie-mangastudios jay_(bird) male mammal melee_weapon mordecai_(regular_show) mr._baldwin multicolored_hair multicolored_tail my_little_pony mythological_creature mythological_equine mythological_scalie mythology new_world_jay one_piece oscine parasprite_(mlp) passerine pegasus purple_eyes rainbow_dash_(mlp) rainbow_hair rainbow_tail regular_show roronoa_zoro scalie scar sword tail tornado traditional_media_(artwork) weapon wings

2013 avian beak bird chess corvid corvus_(genus) crow crown faunoiphilia feathered_wings feathers felid grave_gryphon gryphon headgear hi_res jaguar king leucistic lingrimm looking_at_viewer male mammal mythological_avian mythological_creature mythology oscine pantherine passerine queen raven royalty solo tail wings

anal anthro anthro_on_feral anthro_penetrated aurora_(phenomenon) avian balls beak bestiality bird black_body black_border black_feathers black_fur bodily_fluids border byakurai_tora carrying_another claws corvid corvus_(genus) crow cum duo erection faunoiphilia feathered_wings feathers feet felid feral feral_penetrating feral_penetrating_anthro flying flying_sex fur genital_fluids genitals grave_gryphon gryphon hi_res interspecies jaguar knon leucistic male male/male male_penetrated male_penetrating male_penetrating_male mammal midair mythological_avian mythological_creature mythology oscine pantherine passerine penetration penis raven sergal sex simple_background star tail talons toes white_body white_fur wings

2013 anthro anthro_on_feral anthro_penetrated avian balls beak bestiality bird black_body black_border black_feathers black_fur bodily_fluids border byakurai_tora carrying_another claws cloud corvid corvus_(genus) crow cum desert duo erection faunoiphilia feathered_wings feathers feet felid feral feral_penetrating feral_penetrating_anthro flying flying_sex fur genital_fluids genitals grave_gryphon gryphon hi_res interspecies jaguar knon leucistic male mammal midair mythological_avian mythological_creature mythology nude oscine outside pantherine passerine penetration penis raven road sergal sex sky tail talons toes white_body white_fur wings

2012 all_fours anthro anus ass_up avian beak bird blue_jay blush breasts butt claws corvid dex12 feathers female genitals jay_(bird) looking_at_viewer looking_back new_world_jay nipples non-mammal_breasts non-mammal_nipples nude oscine passerine pink_nipples pink_vulva presenting presenting_hindquarters raised_tail rear_view solo spread_legs spreading tail tail_feathers toe_claws vulva

amad_no_moto anthro avian beak big_breasts bird blush breasts busty_bird cape chest_tuft cleavage clothed clothing corvid corvus_(genus) crow english_text female fur huge_breasts hyper hyper_breasts mask non-mammal_breasts oscine passerine skimpy solo text tuft