abdomen

animal

back

belonging

bird

black

bluegrey

body

brown

centimeters

chest

common

covered

dark

deeply

edge

elongated

family

feathers

flight

forked

genus

grape

gray

gull

head

hirudo

lake

lower

migratory

mouse

name

nature

neck

outer

primary

river

scientific

shoulders

side

silver

size

small

stained

sterna

summer

tail

tern

top

video

waist

water

white

wildlife

wings