1,bill
Edges and inner surfaces are with lamellae(1)---fine platelike outgrowths of the bill that can be raised and lowered.
Tiny organisms are trapped as the tongue is pushed forward and water is squezzed through the lamellae
2,ankle
The joint appearing to be the knee is actually the ankle. This joint to make sitting in a nest as easy as possible
3,peet
The three main toes are webbed to help spread the bird’s weight as it stands on soft mud and also act as paddles when the flamingo swims.
4,pink feathers
Feathers attain their color from pigments in algae and other food.these pigments are known as carotenoids and are the same as those that give carrots their color.
5,legs&skin
When resting,the flamingo usually stands on one leg.this may help the flamingo control heat loss on cool days,the tough skin is able to resist alkaline water that would blister and burn the skin of other animals.