A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird iself—such as the grassy cup nest
Deep cup nest of the great reed-warbler
Some nest linings, such as the shell fragments in this Charadrius plover scrape, may help to prevent the eggs from sinking into muddy or sandy soil.
Other nest linings, like the lichen in this American golden-plover scrape, may provide some level of insulation for the eggs, or may help to camouflage them.
The huge mound nest of the malleefowl acts like a compost heap, warming and incubating the eggs as it rots around them.
The Montezuma oropendola is a New World tropical icterid bird. It is a resident breeder in the Caribbean coastal lowlands from southeastern Mexico to central Panama, but is absent from El Salvador and
Bird nest
…structure made by the bird iself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too restrictive a definition. For some species, a nest is simply a shallow depression made in sand; for others, it is the…
Montezuma oropendola on wild papaya Orange Walk
Hanging nests in farmland near Quesada, Costa Rica
On a British Honduras stamp.