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The American robin rejects cowbird eggs, so brood parasitism by the brown-headed cowbird is rare, and the parasite's chick does not often survive to fledging. [41] In a study of 105 juvenile robins, 77.1% were infected with endoparasites, Syngamus sp. being the most commonly encountered, in 57.1% of the birds. [42]
Precocial birds can provide protein-rich eggs and thus their young hatch in the fledgling stage – able to protect themselves from predators and the females have less post-natal involvement. Altricial birds are less able to contribute nutrients in the pre-natal stage; their eggs are smaller and their young are still in need of much attention ...
The European robin (Erithacus rubecula), known simply as the robin or robin redbreast in the British Isles, is a small insectivorous passerine bird that belongs to the chat subfamily of the Old World flycatcher family. [3] It is found across Europe, east to Western Siberia and south to North Africa; it is sedentary in most of its range except ...
A pigeon fledgling on a tiled floor. One species, the ancient murrelet, fledges two days after hatching, running from its burrow to the ocean and its calling parents. Once it reaches the ocean, its parents care for it for several weeks. Other species, such as guillemots and terns, leave the nesting site while they are still unable to fly. The ...
An oak titmouse removes a fecal sac – feces wrapped in a membrane – from its cavity nest. Many species, such as the western bluebird, carry fecal sacs some distance from the nest.
The white-browed robin-chat is 19–20 cm (7.5–7.9 in) long and weighs 29–51 g (1.0–1.8 oz). [4] The crown and face are black, and there is a white supercilium over the dark brown eye. [4] [6] The back is olive grey-brown, and the rump is rufous. The two central tail feathers are olive-brown, and the other feathers are orange-rufous.
Susan Sarandon, Jack Robbins. Getty Images(2) Susan Sarandon has no problem poking fun at her son Jack Henry Robbins for being a nepo baby. “This is a day in my life,” Robbins, 34, captioned ...
The Cape robin-chat (Dessonornis caffer) is a small passerine bird of the Old World flycatcher family Muscicapidae. It has a disjunct range from South Sudan to South Africa. [3] The locally familiar and confiding species [6] has colonized and benefited from a range of man-altered habitats, including city suburbs and farmstead woodlots. [7]