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The peregrine falcon (Falco peregrinus), also known simply as the peregrine, [3] and historically as the duck hawk in North America, [4] is a cosmopolitan bird of prey (raptor) in the family Falconidae. A large, crow -sized falcon, it has a blue-grey back, barred white underparts, and a black head. The peregrine is renowned for its speed.
Crows in a trap on a farm in England. Almost all traps involve the use of food, water or decoys to attract birds within range and a mechanism for restricting the movement, injuring or killing birds that come into range. Food, water, decoy birds and call playback may be used to bring birds to the trap. The use of chemical sprays on crops or food ...
The hadada ibis (Bostrychia hagedash) is an ibis native to Sub-Saharan Africa. It is named for its loud three to four note calls uttered in flight especially in the mornings and evenings when they fly out or return to their roost trees. Although not as dependent on water as some ibises, they are found near wetlands and often live in close ...
The eggs hatch in 19–20 days, one or two eggs in most clutches fail to do so because the parent cannot cover them prior. The altricial young are in the nest for a further 24–25 days, often more. [7] Once large enough, young birds will come to the burrow entrance to be fed. [13] Two broods, sometimes three, may be reared in a season. [8]
An assessment by South Texas researchers on coastal waterbird resiliency documented the effects of storm surge and winds from Tropical Storm Alberto and Hurricane Beryl. Tropical storms can be ...
The snow petrel is a small, pure white fulmarine petrel with coal-black eyes, a small black bill and bluish gray feet. Body length is 30–40 cm (12–16 in) and the wingspan is 75–95 cm (30–37 in). Flight is erratic with frequent changes of direction. [20]
Currawongs are dominant birds that can drive off other species, especially when settling around an area used or inhabited by people. [15] They have been known to migrate to towns and cities during the winter. [17] Birds congregate in loose flocks. [15] The female builds the nest and incubates the young alone, although both parents feed them.
The young birds leave the nest another 30 to 34 days after hatching. Only about half of broods succeed. Clutches fall victim to storms and predators such as raccoons and great horned owls. Because there are fewer predators in urban areas, Mississippi kites produce more offspring in urban areas than rural. They have an average lifespan of 8 ...