Gyrfalcon Polulation and Reproduction in Relation to Rock Ptarmigan Numbers in Iceland
In courtesy of Dr. Olafur K Nielsen and The Peregrine Fund Icelandic Institute of Natural History, Urriðaholtsstræti 6 –8, P.O. Box 125, 212 Garðabær, Iceland. E-mail: okn@ni.is I have studied the population ecology of the Gyrfalcon (Falco rusticolus) since 1981 on a 5,300-km2 study area in northeast Iceland harbouring 83 traditional Gyrfalcon territories. The main […]