COMPARATIVE ECOLOGY OF RICHARD'S PIPIT AND BLYTH'S PIPIT IN ZONES OF SYMPATRY
Basing on comparative analysis of biology of Anthus richardi and Anthus godlewskii in conditions of South of Eastern Siberia similarities and differences were revealed in their ecology of reproduction and in ontogenesis. Some peculiarities of their adaptation to open conditions of in habitance are discovered. The attempt was made to reconstruct the history of those species formation.