these birds eat insects, other invertebrtes and hunt and eat other vertebrates

they have special adaptations that allow them to rest on branches.

these birds find food both in the water and land, they are adapted to swim

geese, swans, pelicans and loons belong to this group

ostriches, kiwis and penguins belong to this group

parrots, robins, warblers and sparrows belong to this group

spreys, eagles, owls and hawks belong to this group

to apply a layer of waxy oil to waterproof the feathers

instead of teeth and stomach birds have

they ensure constant airflow into the lungs

it's a bone attached to muscles that allow flight

to shed old feathers and replace them with new ones