crested
swallow
swift
wild goose
nest
tern
nestling
finch
bullfinch
goldfinch
sparrow
robin
kingfisher
warbler
oriole
nightingale
cuckoo
warble
lark
crow
jackdaw
woodpecker
turtle dove
mynah
starling
bird of prey
eagle
hawk
falcon
vulture
condor
bat
vampire bat
fruit bat
owl
owlish
wader
egret
heron
crane
stork
swan
seabird
gull
seagull
puffin
auk
petrel
albatross
ostrich
penguin
grouse
peacock
peahen
migrate
migration
migratory
migratory bird
mammal
mammalian
vertebrate
invertebrate
carnivore
carnivorous
herbivore
herbivorous
omnivore
omnivorous
insectivore
insectivorous
predator
predatory
prey
amphibian
amphibious
reptile
reptilian
mollusk
bivalve
shellfish
aquatic
reproduce
reproduction
reproductive
spawn
rodent
weasel
marmot
mole
squirrel
feline
leopard
tiger
panther
cheetah
lion
lioness
puma
leonine
mane