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Category Archives: Scientific articles

Biosonar, diving and movements of two tagged white-beaked dolphin in Icelandic waters

In courtesy of Dr. Marianne H. Rasmussen Abstract For the first time bio-logging tags were attached to free-ranging white-beaked dolphins, Lagenorhynchus albirostris. A satellite tag was attached to one animal while an acoustic A-tag, a time-depth recorder and a VHF transmitter complex was attached to a second dolphin with a suction cup. The satellite tag […]

Seasonal occurrence and potential movement of feeding area of Blue Whales (Balaenoptera musculus) around Iceland—Preliminary Studies

In courtesy of Iversen, M., Rasmussen, M. H., Cecchetti, A., Sigurðardóttur, V., Wald, E. and Víkingsson, G. A. 2011 Introduction Blue Whales (Balaenoptera musculus) of the North East Atlantic population are presumably feeding around Iceland in the months of June, July and August. Until 2004, these giants were observed every year off Ólafsvík (64°52’60”N, 23°43’0”W) on […]

Recordings of Blue Whales sound with single hydrophone and Ecological Acoustic Recorders (EARs)

In courtesy of  Iversen, M.,  Rasmussen, M. H., Magnúsdóttir, E. E. and Lammers, M. O. 2011 Abstract Blue whale calls were recorded from the 21st to 23rd of June 2009 with a single hydrophone and Ecological Acoustical Recorders (EARs). Fifteen (144 min.) out of 94 recordings made with the single hydrophone and 21 recordings (31.2 […]

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 […]

Status of the Icelandic Red Phalarope population

From the Magazine Bliki, published by The Icelandic Institute of Natural History, in coutesy of The Icelandic Institute of Natural History and Mr. Yann Kolbeinsson. The Red Phalarope is one of the rarest breeding birds in Iceland and has decreased in number or even disappeared from some breeding sites, especially in south-west Iceland. Studies were […]

The Impact of Food Availability on Gyrfalcon (Falco Rusticolus) Diet and Timing of Breeding

From the book Birds of Prey, in courtesy of Dr. Olafur K Nielsen and Des Thompson Introduction The gyrfalcon Falco rusticolus is a big and a powerful falcon of arctic and boreal alpine areas. It has long, broad, tapered wings and long tail, and is capable of making very fast and prolonged aerobic flights catching […]