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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 ...
Sociable weavers construct permanent nests on trees and other tall objects. These nests are amongst the largest built by any bird, and are large enough to house over 100 pairs of birds, [10] containing several generations at a time. The nests are highly structured and provide birds with a more advantageous temperature relative to the outside.
Other birds often built their own nests on top of Weaver nest sites. [4] Some birds build nests in trees, some (such as eagles, vultures, and many seabirds) will build them on rocky ledges, and others nest on the ground or in burrows. [3] Each species has a characteristic nest style, but few are particular about where they build their nests.
The leaves of grasses and palms being elongate and parallel-veined are very commonly used for building. These, along with palm fibers and horse-hair fern are used to build hanging baskets. Wooden twigs form the greater proportion of materials used in the nests of large birds. Plants and trees not only provide resources but also sites.
A male bird is known to make up to 500 trips to complete a nest. The birds use their strong beaks to strip and collect the strands, and to weave and knot them while building their nests. The nests are often built hanging over water [20] from palm trees [21] and often suspended from thorny Acacias and in some cases from telephone wires.
"Birds also like grass clippings, dead leaves, straw, and pine needles," she says. Provide Water Sources Birds need access to clean, fresh water for bathing and for drinking.
All marbled murrelet nests found in Washington, Oregon, and California were located in old-growth trees that ranged from 38 inches (88 cm) d.b.h. to 210 inches (533 cm) d.b.h. with a mean of 80 inches (203 cm) d.b.h. Nests were located high above the ground and had good overhead protection but allowed easy access to the exterior forest. [12]
They mate either on the ground or in trees. [24] The nest is built by both sexes at the top of a dense thorny tree, often an Acacia, at a height of between 2.5 and 13 m (8 and 40 ft) above the ground. The nest is constructed as a relatively flat platform of sticks 1.0–1.5 m (3–5 ft) across with a depth 30–50 cm (12–20 in).