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Adult mockingbirds have solid pale grey or buff breasts, juveniles mottled. Northern mockingbirds are famous for their song repertoires. Studies have shown that males sing songs at the beginning of breeding season to attract females. [36] Unmated males sing songs in more directions and sing more bouts than mated males.
There are about 17 species in two genera, although three species of mockingbird from the Galápagos Islands were formerly separated into a third genus, Nesomimus.The mockingbirds do not appear to form a monophyletic lineage, as Mimus and Melanotis are not each other's closest relatives; instead, Melanotis appears to be more closely related to the catbirds, while the closest living relatives of ...
The Galápagos mockingbird is also host for a number of species of biting lice, including Docophorus galapagensis, Lipeurus languidus, Menopon insertum, Nirmus galapagensis and Nirmus vulgatus galapagensis. [11] Mockingbirds from the island of Genovesa are known to harbor the coccidian parasite Polysporella genovesae in their intestines. [12]
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The San Cristóbal mockingbird is 25 to 26 cm (9.8 to 10.2 in) long. Males weigh an average of 53.2 g (1.88 oz) and females 48 g (1.7 oz). Adults have a thin white supercilium, black lores, and a blackish patch behind the eye. Their crown and upperparts are grayish brown with some darker streaks.
The mimids are the New World family of passerine birds, Mimidae, that includes thrashers, mockingbirds, tremblers, and the New World catbirds.As their name (Latin for "mimic") suggests, these birds are notable for their vocalization, especially some species' remarkable ability to mimic a wide variety of birds and other sounds heard outdoors.
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 and protection from predators. This may be related to r/K selection; however, this association fails in some cases. [18] In birds, altricial young usually grow faster than precocial young.
The Hood mockingbird (Mimus macdonaldi), also known as the Española mockingbird, is a species of bird in the family Mimidae. It is endemic to Española Island in the Galápagos Islands, Ecuador, and it is one of four closely related mockingbird species endemic to the Galápagos archipelago. It is found in dry forests and is omnivorous, though ...