English: Eurasian Tree Sparrow, Tree Sparrow          
Russian: Полевой воробей   
Mongolian: Хээрийн боршувуу, Хээрийн бор шувуу   

German: Feldsperling      
French: Moineau friquet        
Japanese: スズメ (Suzume) 

Body length: 12.5-14 cm
Wing span: 20-23 cm

Resident breeder
Breeding season: May-August

Egg number: 4-6 (occasionally 2-9)
Egg colour: Slightly glossy ground colour with dark brown blotches speckles.
Brood:  1-2 per year

Global status: Least concern
Regional status: Least concern

Food: Arthropods, their larvae, plant seeds and human food leftovers.

Habitat: Bests in tree holes, under/in raptor nests and crevices and holes of man-made substrates in mountain forests, forest steppe, river valleys and settlements. Adult birds build a domed structure or untidy cup of plant stalks and twigs, lined with down and feathers. Nest material consists of paper, string or cloth, lined with feathers, hair and wool.