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It will sometimes attempt to take over the nest of other birds that breed in holes or enclosed spaces, such as the barn swallow, house martin, sand martin or European bee-eater. [34] Pairs may breed in isolation or loose colonies, [35] and will readily use nest boxes. In a Spanish study, boxes made from a mixture of wood and concrete (woodcrete ...
An audio recording of a house sparrow. The house sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz).
The western house martin (Delichon urbicum), sometimes called the common house martin, northern house martin or, particularly in Europe, just house martin, is a migratory passerine bird of the swallow family which breeds in Europe, north Africa and across the Palearctic; and winters in sub-Saharan Africa and tropical Asia. It feeds on insects ...
They occasionally fly to vegetation to glean an insect off it before returning to their perch, but they do not attempt to obtain prey from the ground. Beetles form a large part of their diet, but they also take moths, grasshoppers and termites. One northern potoo was found with a small bird in its stomach as well. Having caught an insect ...
The sticks are glued together (and the nest to a vertical surface) with copious amounts of the bird's saliva. [57] During the breeding season, each adult's salivary glands more than double in size, from 7 mm × 2 mm (0.276 in × 0.079 in) in the non-breeding season to 14 mm × 5 mm (0.55 in × 0.20 in) during the breeding season.
Just three species are present in the New World: wood stork, maguari stork and jabiru, which is the tallest flying bird of the Americas. Two species, white and black stork , reach Europe and western temperate Asia, while one species, Oriental stork , reaches temperate areas of eastern Asia, and one species, black-necked stork , is found in ...
The bird has blackish legs and a large grey-to-black bill but during the breeding season it has a red culmen on the basal half of the upper mandible. The upper surfaces of the toes are of a similar red during the onset of breeding. [6] The wings are powerful and broad, enabling quick take-offs and easy manoeuvring through dense tree cover.
The Arabic word bulbul (بلبل) is sometimes used to refer to the "nightingale" as well as the bulbul, but the English word bulbul refers to the birds discussed in this article. [3] A few species that were previously considered to be members of the Pycnonotidae have been moved to other families.