Characterization of the burrows of bank swallows in the colony near the Uytag nature monument (Southern Siberia)

The parameters are characterized by of bank swallows Riparia ssp. in a colony located near the protected zone of the «Uytag» natural monument (Southern Siberia, Republic of Khakassia). To measure burrow entrances parameters, the orientation of the outputs relative to direction was achieved. A total of 32 burrows were inspected and inspected at a site close to the middle of the colony. For all parameters, except for the orientation of exit, the values of indicators that describe the degree of their variability are listed.