Collection of articles and curiosity regarding the world of birds. The Ciuicì – Gruppo Didattico Naturalistico
As many of you know, the sight of owls is particularly developed. The development of their vision system, however, is different from the diurnal birds of prey. In the latter, the view is developed towards a higher definition of images, thanks to a high concentration of cones in their fovea…
Among the many stereotypes to debunk there is also the nutrition of the birds, considered frugal and thrifty. “You eat like a bird,” you says, generally, of a person who barely feeds. Birds, however, are great eaters, who eat frequently and abundantly, as they have a very accelerated metabolism that…
Wattled Jacana – Jacana jacana (Linnaeus, 1766) Who wear pants. We used to think that investing in the care of offspring is a female exclusive and that the courtship and reproductive behaviour of males are largely attempts to exploit the investment of resources for women. In some cases, however, the…
danza Lo spettacolare volo rallentato di un Colibrì orecchieviola talassino – Colibri thalassinus The spectacular slow motion flight of a Green Violetear Hummingbird – Colibri thalassinus
White Wagtail (Motacilla alba alba, Linnaeus 1758) The White Wagtail is present almost everywhere in Europe. It is a small bird, with slender and elegant shape, long on average 18 cm and weights 23 grams. It has thin paws and a long and slender tail; the livery is grey but with…
The American Eagle or Bald Eagle (Haliaeetus leucocephalus, Linnaeus 1766) is not only one of the largest birds of prey in the family Accipitridae, but it is also the symbol of the United States of America since 1782 and of the 101st Airborne Division of the US Army. Its name…
Grey Heron (Ardea cinerea, Linnaeus 1758) Ardeidae is a family of birds Ciconiiformes including 19 genera and about sixty species, widespread in all tropical and temperate regions of the world. Ardeidae includes birds commonly known as Herons, Egrets, Night Herons, Bitterns, Little Bittern, etc. Small, medium or large, the Ardeidae possess…
Red Ibis or Scarlet Ibis (Eudocimus ruber, Linnaeus 1758) As with flamingos, the bright red feathers comes from a carotene, canthaxanthin, present in certain types of fungi, algae clorofitas, bacteria, fish, shellfish and shrimp they feed on. In captivity, for lack of regular consumption of crustaceans, its plumage tends to…
European Kingfisher (Alcedo atthis, Linnaeus 1758). As beautiful as fearsome, with iridescent blue plumage, this bird is actually the killer of rivers. His technique is simple and effective: it alights on a branch and carefully scrutinizes the water surface. Thanks to superfine view, it is able to polarize light without…
The bearded vulture (Gypaetus barbatus, Linnaeus 1784) is a bird of prey in the family Accipitridae, the only species of the genus Gypaetus. It is a vulture of the Old World and is the largest among those nesting in Europe, with a wingspan between 265 and 285 cm and a…
