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The Eurasian blue tit prefers insects and spiders for its diet. Outside the breeding season, they also eat seeds and other vegetable-based foods. The birds are famed for their acrobatic skills, as they can hold on to the outermost branches of trees and shrubs and hang upside down when looking for food.
The African blue tit ranges from 11–12 cm (4.3–4.7 in) in size. [3] It is a small, sharp-billed, compact tit.The nominate race has a forehead and supercilium to centre of nape white, crown deep glossy blue, becoming blackish on the neck, with a blue dorsal and yellow ventral body.
Tits are cavity-nesting birds, typically using trees, although Pseudopodoces [12] builds a nest on the ground. Most tree-nesting tits excavate their nests, [13] and clutch sizes are generally large for altricial birds, ranging from usually two eggs in the rufous-vented tit of the Himalayas to as many as 10 to 14 in the blue tit of Europe.
Their plumage is typically dull grey or brown, although some species have white markings and the long-tailed tit has some pinkish colour. [2] In contrast to the rest of the family the two Leptopoecile tit-warblers are quite brightly coloured, having violet and blue plumage. The crested tit-warbler is the only member of the family to have a crest.
An adult Eurasian blue tit collecting the fecal sac of a chick (just hatched, still naked and blind) to ensure the cleanliness of their nest. A fecal sac (also spelled faecal sac) is a mucous membrane, generally white or clear with a dark end, [1] that surrounds the feces of some species of nestling birds. [2]
The Blue Zone diet has been compared a lot to the Mediterranean diet, but there are some differences. It’s worth pointing out upfront that the Blue Zone diet is all about longevity.
The Blue Zones diet is made up of 95 to 100 percent plants and mostly whole, minimally processed foods, including 4 ounces of nuts and 1/2 to 1 cup of beans daily.
Researchers compared the behaviours and development of birds fed a taurine-supplemented diet to a control diet and found the juveniles fed taurine-rich diets as neonates were much larger risk takers and more adept at spatial learning tasks. Under natural conditions, each blue tit nestling receive 1 mg of taurine per day from parents. [45]