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Kavanau (1987) was the first to find that unique bi-parental care seen in modern birds probably evolved from extinct birds. They developed the ability to provide protection, escorting, nurturing and egg guarding abilities for their young. Evolution of homeothermy and flight most likely occurred in bi-parental birds with precocial chicks.
The American robin (Turdus migratorius) is a migratory bird of the true thrush genus and Turdidae, the wider thrush family. It is named after the European robin [ 3 ] because of its reddish-orange breast, though the two species are not closely related, with the European robin belonging to the Old World flycatcher family.
Dusky woodswallow (Artamus cyanopterus) parent feeding a wasp to chicks. Allofeeding is a type of food sharing behaviour observed in cooperatively breeding species of birds. Allofeeding refers to a parent, sibling or unrelated adult bird feeding altricial hatchlings, which are dependent on parental care for their survival. [1]
In birds, this parental care system is generally attributed to the ability of male birds to engage in most parental behaviours, with the exception of egg-laying. Due to their endothermy and small size at birth, there is a huge pressure for infant birds to grow up quickly to prevent energy loss.
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Birds also prefer structures that blend into the environment, so if the nest box is painted, earth tones (grey, green, brown) are your best bet. In short, if attracting birds is your primary goal ...
Illustration of the black robin, the Chatham fernbird, and Lyall's wren, extinct birds from its region, by John Gerrard Keulemans. The black robin is a small, sparrow-sized bird measuring 10–15 centimetres (3.9–5.9 in). Its plumage is almost entirely brownish-black, with a black bill and brownish-black yellow-soled feet.
The co-parenting term “bird nesting” is taken from the image in nature when the mama and papa birds go back and forth to care for their hatchlings in the nest.