Search results
Results from the WOW.Com Content Network
Construction of the nest is done primarily by the female and takes around 10 days to complete. These nests are small, cup-like structures lined with grass, feathers, stems, and hairs. Each female lays three to seven light-blue or, rarely, white eggs. The female incubates the eggs, which hatch after 13 to 16 days.
Five or six light blue eggs are laid during May, with a second brood in midsummer in the south of the breeding range. It departs for Africa between mid-August and early October. It often feeds like a flycatcher, making aerial sallies after passing insects, and most of its food consists of winged insects. The main contact call in Central Europe ...
Birds which build in trees generally have blue or greenish eggs, either spotted or unspotted, while birds that build in bushes or near or on the ground are likely to lay speckled eggs. The color of individual eggs is also genetically influenced, and appears to be inherited through the mother only, suggesting the gene responsible for ...
The usual clutch is 4 light blue eggs. [10] [11] Only the female is believed to incubate but both sexes take part feeding the young. [8] The cuckoo Cuculus canorus has been recorded in old literature as a brood parasite of the species. [10] These birds arrive in the Himalayan breeding grounds in May and leave in September.
The sexes are similar and often indistinguishable to human eyes, but under ultraviolet light, males have a brighter blue crown. [14] Juvenile birds are more yellowish and have fewer contrasting colors. They become similar to mature ones in September, although some parts of the wings are kept until May/June next year. [15] Blue tits can also see ...
A biologist at Midway Atoll National Wildlife Refuge noted that Wisdom the bird still 'seems to still have the energy and instincts for raising another chick'
The bird is a medium-size parrot weighing about 300 grams (11 oz), smaller than most of the large macaws. Its appearance is various shades of blue, with a grey-blue head, light blue underparts, and vivid blue upperparts. Males and females are almost identical in appearance; however, the females are slightly smaller.
The blue-footed booby is on average 81 cm (32 in) long and weighs 1.5 kg (3 + 1 ⁄ 4 lb), with the female being slightly larger than the male. Its wings are long, pointed, and brown in color. The neck and head of the blue-footed booby are light brown with white streaks, while the belly and underside exhibit pure white plumage. [12]