i have no cule so you find it even i am trying to find the anwer to so bye
The purpose of bird control spikes are to limit the area available for birds to land on, keeping the birds unharmed from the spikes, and keeping them from landing near them.
Birds of a Feather by The Rosenbergs
why do all birds build nest
it holds the seeds and attracts birds and bees to fertilse them
I believe the webbed feet are to help them swim.
Birds, like many animals, carry a reflexive behavior to guard their nests by fighting, keeping other male birds away from their 'territories', and competing for food, water, and gravel.
to attract birds and insects
To keep the claws of the birds filed down
All birds that are light and have feathers and have a purpose to fly
Most birds use sounds to either ward-off other birds from their territory, or to attract a mate. So I assume cassowaries do the same.
adv. For what purpose, reason, or cause; with what intention, justification, or motive: Why is the door shut? Why do birds sing?
No. There are no birds that have a pouch for the purpose of rearing their young.