Field signs. The exterior of remarkable large black eyes, and very little to lyuv coupled with a huge "frog" cut mouth. The wings and long tail, small stalks. In flight, like a cuckoo. Coloring under color of forest litter, spotty, mostly from the gray, brown and rzhavchatyh tones. Size male and female same, a little male female lighter and has a signal white spots at the ends of the wings and on the external surface, the flying kozodoya them visible even in deep twilight as the top or bottom. Young resemble the female (no white spots on the wings and tail), but generally a bit lighter, white spots on the sides of the throat little or none. Weight 60-110 grams length of 26-28 cm, wing 18,4-20,2 cm, the magnitude of 54-60 cm (Ryabitsev, 2001). The male sings at dusk, usually sitting along the branches "vpoldereva" somewhere on the fringe or rare wood. Song is a long monotonous dry shake "rrrrr ..." At times the tone, height and volume changes, song breaks pauses varying durations. At dusk the same or almost total darkness perform low over glades and glade intricate demonstration flights with sharp cries "krYuIp" and slam the wings. Frighten off and nuisance birds produce muted "PSCs, PSCs:" or "chrek, chrek:" (Ryabitsev, 2001).  Distribution. Distributed in the steppe, forest and podtaezhnoy zones. By Yenisei was to the north to Eniseyska. In 1977, to pine forests found everywhere from the Yenisei to Vorogova (Bursky, Vakhrushev, 1983; Rogacheva et al, 1978), although it was rare. AI Yanushevich and KT Yurlov (1950) note kozodoya like a normal appearance for Minusinsk and Usinskoy hollows, forest, deciduous and mixed forests predgory West Sayan. Some of Krasnoyarsk - the usual bird dry cuttings, garey, foliage and pine woodland, grassland Kolk (Rogacheva, 1988). In July 2002, marked us as a rather normal view in the vicinity of Erzina (Republic of Tyva) (AN Baykalov, personal observation).
Habitats. Denizen of forest glades, cutting, vista. In the steppes - on the floodplain forests for Streams and slopes beams with groups of trees and (or) bushes (Ryabitsev, 2001). Phenology. Krasnoyarsk Under the first meeting of spring - around May 10, complete the wall - since mid-June, the mass emergence of chicks - at the end of the first decade of July to mid-September, all the birds fly away (Tugarinov, Buturlin, 1911; Yudin, 1952; Syroechkovsky, Rogacheva, 1980). Reproduction. Monogamy, some nesting pairs. Female postpones 2 eggs directly on the litter in a small depression or on a flat spot, usually under cover of bush valezhiny, opavshih branches, ferns or other podrosshey already by that time the grass. Jacks itself does not. Eggs-long elliptical shape, a variety of gray and brown stains on a white or greyish background create a beautiful marble figure. The size of eggs 27-37 x 20-25 mm. Nasizhivayut male and female, starting with the first otkladki eggs. Female sits higher. Incubation 17-18 days (Ryabitsev, 2001). Nutrition. Night at dusk and catch insects in the air, which only fed. This is mainly nocturnal butterflies, hruschi and others, flying the evenings and at night. Nightjar await them, sitting anywhere on the bitch, serving on the vista or Polyana, or flying at half-soft places and uneven flight. Apparently, taking food and the land or the branches. In the twilight kozodoi not afraid of approaching people, often accompanied by flocks and catch insects vypugnutyh. For the peoples of different countries have had a belief that these birds bolsherotye koze drink milk, prisasyvayas to the udder (Ryabitsev, 2001). References. |
