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Deep cup nest of the great reed-warbler. 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 itself—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 ...
These birds mainly eat terrestrial arthropods and snails, and also include fruit [23] in their diet during winter. [2] The nest, referred to as the "oven" (which gives the bird its name), is a domed structure placed on the ground, woven from vegetation, and containing a side entrance. The female usually lays 4–5 eggs speckled with brown or gray.
Male larks use song flights to defend their breeding territory and attract a mate. Most species build nests on the ground, usually cups of dead grass, but in some species the nests are more complicated and partly domed. A few desert species nest very low in bushes, perhaps so circulating air can cool the nest. [14] Larks' eggs are usually speckled.
These birds forage at night, catching insects in flight, and normally sleep during the day. Eastern whip-poor-wills nest on the ground, in shaded locations among dead leaves, and usually lay two eggs at a time. The bird will commonly remain on the nest unless almost stepped upon. [citation needed] The whip-poor-will has been split into two species.
Juvenile birds are largely brown with dark streaks. It is about 10% larger, longer and less contrasted than its relative the European serin, and has more grey and brown in its plumage and relatively shorter wings. [8] The song is a silvery twittering similar to the songs of the European serin and citril finch. [8] [14]
It was found that nests close to cuckoo perches were most vulnerable: multiple parasitised nests were closest to the vantage points, and unparasitised nests were farthest away. Nearly all the nests "in close vicinity" to the vantage points were parasitised. More visible nests were more likely to be selected by the common cuckoos.
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The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.