Dinosaurus

Spinus psaltria

Spinus psaltria

Protoceratopsidovum sincerum

Protoceratopsidovum sincerum

Cretaceous Late Herbivore

Protocypselomorphus manfredkelleri

Protocypselomorphus manfredkelleri

Carnivore

Protodictyoolithus jiangi

Protodictyoolithus jiangi

Cretaceous Late

Spizaetus grinnelli

Spizaetus grinnelli

Carnivore

Stalicoolithidae

Stalicoolithidae

Cretaceous Late

Protopelicanus cuvierii

Protopelicanus cuvierii

Carnivore

Protorhea azarae

Protorhea azarae

Carnivore

Streptopelia turtur

Streptopelia turtur

Herbivore

Streptospondylus altdorfensis

Streptospondylus altdorfensis

Jurassic Middle Carnivore

Protostrix saurodosis

Protostrix saurodosis

Carnivore

Pseudastur

Pseudastur

Carnivore

Strigogyps dubius

Strigogyps dubius

Carnivore

Strix brevis

Strix brevis

Carnivore

Pseudogeckoolithus nodosus

Pseudogeckoolithus nodosus

Cretaceous Late Carnivore

Pseudotrisauropus humilis

Pseudotrisauropus humilis

Triassic Late

Strix dakota

Strix dakota

Carnivore

Struthio asiaticus

Struthio asiaticus

Herbivore

Pseudotrisauropus minusculus

Pseudotrisauropus minusculus

Triassic Late

Psilopterus colzecus

Psilopterus colzecus

Carnivore

Struthio barbarus

Struthio barbarus

Herbivore

Struthio chersonensis

Struthio chersonensis

Herbivore

Psittacopes occidentalis

Psittacopes occidentalis

Carnivore

Psittacosaurus amitabha

Psittacosaurus amitabha

Cretaceous Early Herbivore

Struthio (Pachystruthio) pannonicus

Struthio (Pachystruthio) pannonicus

Herbivore

Struthiosaurus languedocensis

Struthiosaurus languedocensis

Cretaceous Late Herbivore

Psittacosaurus sibiricus

Psittacosaurus sibiricus

Cretaceous Early Herbivore

Psittacosaurus sinensis

Psittacosaurus sinensis

Cretaceous Early Herbivore

Struthopus schaumburgensis

Struthopus schaumburgensis

Cretaceous Early Herbivore

Styracosterna

Styracosterna

Cretaceous Early Herbivore

Pterocles alchata

Pterocles alchata

Carnivore

Pterodroma kurodai

Pterodroma kurodai

Carnivore

Subtiliolithus kachchhensis

Subtiliolithus kachchhensis

Cretaceous Late Carnivore

Sula clarki

Sula clarki

Carnivore

Pterodroma mollis

Pterodroma mollis

Carnivore

Pterodroma zinorum

Pterodroma zinorum

Carnivore

Sula figueroae

Sula figueroae

Carnivore

Ptilinopus huttoni

Ptilinopus huttoni

Herbivore

Ptyonoprogne rupestris

Ptyonoprogne rupestris

Insectivore

Puffinus assimilis elegans

Puffinus assimilis elegans

Carnivore

Sula pohli

Sula pohli

Carnivore

Puffinus conradi

Puffinus conradi

Carnivore

Puffinus felthami

Puffinus felthami

Carnivore

Puffinus kanakoffi

Puffinus kanakoffi

Carnivore

Sula sulita

Sula sulita

Carnivore

Puffinus mitchelli

Puffinus mitchelli

Carnivore

Puffinus pacificoides

Puffinus pacificoides

Carnivore

Puffinus parvus

Puffinus parvus

Carnivore