crocodiles nests are made out of mud, sticks and plants :P
A griffin's nest is made of gold.
Sometimes they can make out where a nest came from or if it is man-made or not. They will probably live there if they don't have a choice, but some birds would rather build their own nest.
A nest. A man-made shelter is called a cote.
Yes a robin made a nest in a tree and I saw the robin leave and the dove stole the nest
Bird's nest soup is a Chinese delicacy. It is made from the nest of a swiftlet, a bird in southeast Asia.
The heron is a large wading bird which preys on fish. Its nest is generally made out of branches and twigs.
a scrape nest
wood
It depends how you are using it. If you say "The bird made a nest in the tree" nest is a noun. If you use it like "The bird nested in the birdhouse" then nest is the verb.
It is literally a birds nest made from edible fibers. Usually a swallow's nest :)
it looks like a big bird nest made of leaves.
It is pregnant, give the rabbit extra bedding where she has made her nest, be expecting up to 10 babies.