ornithischian

noun 0.699

pterosaur

noun 0.669

pterodactyl

noun 0.646

orthopteran

noun 0.632

theropod

noun 0.626

ornithologist

noun 0.623

nonavian

noun 0.601

ornithology

noun 0.579

bird

noun 0.575

pteropod

noun 0.572

ichthyosaurus

noun 0.565

raptor

noun 0.564

dinosaur

noun 0.559

bird of prey

noun 0.557

platypus

noun 0.556

ichthyosaur

noun 0.555

velociraptor

noun 0.553

odontophore

noun 0.553

hoatzin

noun 0.548

waterbird

noun 0.546

dragonfly

noun 0.543

stegosaur

noun 0.543

actinopterygian

noun 0.542

ostrich

noun 0.542

aircraft

noun 0.538

osprey

noun 0.534

chiropteran

noun 0.534

aeroplane

noun 0.533

avocet

noun 0.533

stegosaurus

noun 0.531

lyrebird

noun 0.531

dodo bird

noun 0.531

tetrapod

noun 0.530

lepidopteran

noun 0.529

hadrosaur

noun 0.527

psittacine

noun 0.526

plesiosaur

noun 0.525

iguanodon

noun 0.525

flamingo

noun 0.523

warbird

noun 0.523

hummingbird

noun 0.522

birder

noun 0.520

triceratops

noun 0.519

hadrosaurid

noun 0.519

bird of paradise

noun 0.519

passerine

noun 0.518

parrot

noun 0.517

warplane

noun 0.517

sauropod

noun 0.516

secretary bird

noun 0.515

ceratopsian

noun 0.515

duck-billed platypus

noun 0.514

oriole

noun 0.514

endotherm

noun 0.513

lepidopterist

noun 0.513

airplane

noun 0.513

vertebrate

noun 0.511

ovipositor

noun 0.511

wingbeat

noun 0.511

insectoid

noun 0.510

paper airplane

noun 0.508

frogmouth

noun 0.507

fighter plane

noun 0.507

ovenbird

noun 0.507

avifauna

noun 0.506

orchid

noun 0.505

placoderm

noun 0.504

avicularium

noun 0.504

pelican

noun 0.503

amphibian

noun 0.503

biplane

noun 0.503

flying fish

noun 0.503

hang glider

noun 0.502