What are the eggs of a thrush? Amazing color of the eggs of these songbirds!

Drozdy are wonderful small birds, belonging to the order of passerine, the genus of short-billed. The peculiarity of this bird is its musical, more precisely, singing ability. Appearance thrush, as a rule, not very catchy. The color of feathers can be noble brown or light olive with dark brown specks. However, there are also black birds with small bright spots on the tail.

Eggs of thrush are painted by nature itself in amazing colors and shades - from blue to light green. Rarely do they have a monophonic color. The presence or absence of speckles on the eggs suggests that a certain degree of pigmentation is observed in the structure of the egg shell. In the development of eggs, the pigmentation is formed due to the concentration of such a substance as protoporphyrin. It is a powerful photosensitizer and contains such molecules that are not only able to absorb the light of the sun's rays, but also process it into oxygen, light and heat, which are so necessary for the healthy development of embryo nestlings.

Today in Russia there are 46 species of blackbirds. Each species has its own color of egg. A single species can easily be distinguished from another. Differences in shape, color and pattern of eggs are not radical, but still there are. Eggs of thrush, the photos of which are presented here, have different color shades, blotches and size. Some are larger and elongated, others are round and small. Here are some examples of the color of eggs.

The American Srdenson thrush has the standard color for all light thrushes, with one difference - the top of the head, tail and tips of the wings have a rusty hue. His eggs are blue with brown spots. Nests this bird in the form of a large tangle of dry grass. The blue color of the eggs of the American thrush, as, indeed, of other species, always attracted the attention of ornithologists with its brightness. Background blue color is unusual for its shades: greenish, grayish and bright turquoise. And specks - very clear, brownish-rusty color. They have different sizes: from microscopic points to spots with a pin head.

Thrush hermit. This bird is very modest, loves to hide from other people's eyes among the branches. Her discreet color has more brown color, and on her chest a blurry spot is drawn. Eggs of a thrush-hermit monophonic, without specks, have a delicate greenish-blue color. Nests of a herd thrushes among the branches of trees so that the sun's rays can get to them as much as possible, feed them with their light and warmth.

Songbird thrush. The population of this population is quite large. The color of the bird is dominated by weak olive and gray hues, with specks of the color of dark chocolate. Egg masonry or bright turquoise color with dark speckles of small size, or pale gray-blue with small brown spots. The speckles are often painted in the color of dark chocolate. They differ in size: they can be very small specks, or slightly larger - the size of a match head.

Blackbird: always looks solid, having black plumage, yellow beak and rims of yellow, orange or red color around the eyes. From other thrushes it differs in larger sizes. Thrush Eggs Have a green color, close to a dark olive blossom, with light brown spots. There are also eggs with a background of a greyish-green hue, with larger specks of chocolate color. On the wide side, each egg is completely colored with a brown pigment.