NAUMANN’S THRUSH

This is an eastern-Siberian thrush. There are to sub-species in Siberia the differ in color: dark and red. The dark Naumann’s thrush has dark-brown top, dark bottom and white neck and belly. The wings are dark-brown. The song is sonorous and resembles the song of red-winged thrush. The red Naumann’s thrush differs from the dark one by the absence of black color (it has a greyish-brown top) and red-ginger color on the back, belly and tail. There are also many transitional forms.

The bird feeds on insects, fruits and seeds.
Both sub-species are encountered in lower course of Angara and in the interfluve area between Angara and Stony Tunguska. The dark sub-species populates the northern part of the area, the red one lives to the south (the border is approximately at 60 degrees of northern latitude). The dark thrush is met far to the north – in forest tundra and even tundra. It is common and numerous within forest tundra and northern taiga including remote areas of Taimyr and northern Evenkiya. It is rare and sporadically seen in central taiga.

The nesting takes place in damp forests and near water basins. The nest is situated on a tree or in a shrub at 1-4 meters height. There 5 eggs in a set.

SONG THRUSH

It is a small thrush. It has olive-brown top, whitish bottom with an ocher-colored hue on the chest. The thrush is powdered with small dark-brown spots except for the neck. The song is loud flute-like whistles: “phew-phew-phew”.
The bird’s diet is mixed: ground invertebrates, berries, seeds of birch-tree and sedge, leaves of crowberry and cow-wheat. It also eats shellfish.

The song thrush is a western species that populates Siberia as far to the west as Baikal. It is common in Minusinsk, Usinsk kettle holes and in Eastern Sayans. It inhabits dark coniferous forests with shrubs and broken areas.
The bird flies to Krasnoyarsk in the end of April – beginning of May and flies back to the south in the middle of September. The nest is made at trunk’s crutch at the height of 1.5-5 meters, usually not far from a forest edge. There are 5-6 blue black-brown-spotted eggs in a set.