In the changing climate, the forest boundary has been shifting to the north, and conifers gradually have been replaced by deciduous trees MOSCOW, July 23. /TASS/. Common vipers, grey herons and ...
Waterbirds: The International Journal of Waterbird Biology, Vol. 28, No. 2 (Jun., 2005), pp. 225-229 (5 pages) Foraging by Grey Herons (Ardea cinerea) on fish regurgitated by Great Cormorants ...
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