FURVERT!

ambiguous_gender avian bird brown_body brown_scales ceratopsian ceratopsid chasmosaurine crocodilian digital_media_(artwork)dinosaur feral grass grey_body grey_scales group hi_res horn mael_oh marginocephalian open_mouth ornithischian outside plant prehistoric_species reptile river sand saurischian scales scalie size_difference swimming tail theropod tree triceratops tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex