examples of feet
The feet of birds are adapted to their lifestyle. They usually have four toes: one posterior (the hind toe) and three anterior.
aquatic bird
Bird with lobed toes for ease of swimming.
lobate toe
Each of the flat toes surrounding the lobes; they provide propulsion in the water and prevent slipping out of the water.
lobe
Each of the round cutaneous divisions encircling the toes that allow the bird to swim.
bird of prey
Poorly adapted to locomotion, these sturdy powerful legs have talons to grip prey, immobilizing and killing it.
talon
Very curved and pointy corneous structure allowing the bird to seize its prey.
scale
Each of the small hard thin scales covering the toes in layers.
perching bird
The four toes end in a nail, which wraps around a support when the bird is resting; the hind toe provides equilibrium.
hind toe
First toe of the foot, facing backward and providing equilibrium.
toe
The terminal end of the legs formed of articulated bones allowing the bird to perch or walk.
aquatic bird
The large flat bill, with corneous lateral plates, filters water and mud to extract food.
web
Fine membrane of skin connecting the digits of the foot; it stretches when the bird swims.
webbed toe
Each of the digits of the foot, connected by membranes; when spread, they make swimming easier.