The owl is Palearctic Birds

The owl is Palearctic Birds The common eagle owl (Latin: Bubo bubo, Old Russian: owl) is a bird of prey in the owl family, one of the largest members of the owl family.

The greatest vocal activity is manifested in the pre-dawn hour during the mating season (in northwestern Russia from Feb...
06/11/2021

The greatest vocal activity is manifested in the pre-dawn hour during the mating season (in northwestern Russia from February to the end of April), to a lesser extent during the disintegration of broods (in August - September) [16]. An eagle's alarm signal is a quick, energetic laughter consisting of four or five syllables. Among the sounds made are also distinguished "crying", buzzing and mournful cries [

In contrast to the similar cry of the fish eagle owl, as well as the long-tailed and bearded eagle owl, the sounds made ...
06/11/2021

In contrast to the similar cry of the fish eagle owl, as well as the long-tailed and bearded eagle owl, the sounds made by the common eagle owl are more fused, without a pause between syllables [14]. In most cases, sniffing is associated with the male's calling cries, although females are also able to make similar sounds, only lower. Sometimes you can hear the echo of both birds, in an excited state turning into a continuous hum.

Owl has a powerful voice and a complex repertoire. Among other things, the vocalization of this bird is subject to indiv...
06/11/2021

Owl has a powerful voice and a complex repertoire. Among other things, the vocalization of this bird is subject to individual variability, as a result of which its functional purpose is not always clear [15]. Most often, the presence of a nearby bird gives off its low two-syllable scent with an emphasis on the first syllable, which in calm weather can be heard at a distance of up to 2-4 km [2

The elongated feathers of the head sticking out on the sides, which many mistake for ears, help the bird to blend in wit...
05/11/2021

The elongated feathers of the head sticking out on the sides, which many mistake for ears, help the bird to blend in with the environment during the day's rest. The general physique of the eagle is stocky, almost "barrel-shaped" [10]. The plumage is soft and loose, which contributes to a silent flight. In the variegated color, red and ocher tones stand out well, but the overall tone of the color is subject to significant variability in different parts of the range.

In the field, determining the s*x of a bird can be difficult [11]. In addition to the general size, s*xual dimorphism al...
05/11/2021

In the field, determining the s*x of a bird can be difficult [11]. In addition to the general size, s*xual dimorphism also manifests itself in the form of the bird's characteristic "feather ears": in males they are more straightened than in females; however, this is clearly visible only at close range and with good visibility [

The most characteristic features include a massive "barrel-shaped" physique, loose plumage with a predominance of reddis...
04/11/2021

The most characteristic features include a massive "barrel-shaped" physique, loose plumage with a predominance of reddish and ocher shades, bright orange eyes and tufts of elongated feathers over them (so-called "feather ears"). It is widespread in the forest and steppe regions of Eurasia, where it adapts to a wide variety of habitats, where there is a sufficient forage base and hard-to-reach nesting sites. Does not shy away from man and sometimes (more often in Western Europe) settles in the city limits. Sedentary bird.

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