Abstract
It is revealed on the basis of long-term field observations that a tendency of a change in the range of a number of bird species from the west and southwest to the east and north is noted between the end of the 20th and start of the 21st centuries.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
