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Animal navigation is one of the great mysteries
This site has been created to share information and invite you to contribute in order to see if we can find out how animals and humans navigate without aids. There has been a lot of academic work in this field which is difficult to follow without interpretation. We shall try to put as much of…
Light pollution is important
Atchoi, E., Mitkus, M., Vitta, P., Machado, B., Rocha, M., Juliano, M., Bried, J. & Rodríguez, A. 2023 Ontogenetic exposure to light influences seabird vulnerability to light pollution. Journal of Experimental Biology 226. doi: 10.1242/jeb.245126. Atchoi 2023 (no pdf) Light pollution critically affects the fledglings of burrow-nesting seabirds, leading to massive mortality events. The successful management of this pollutant depends…
Albatross Navigation
The Albatross that ranges over huge areas of the South Atlantic Region in overcast weather where sun clues are seldom available to return to their breeding islands such as Crozet in the South Atlantic, work done by Bonadonna et al in 2004 shows that manipulating the albatrosses by altering their magnetic environment made no difference…
Magnetoreception and the ruling hypothesis
This paper is fascinating. This site has always been sceptical about Magnetoreception – the magnetic navigation story for the same reasons that are discussed here. No-one has found the magnetic receptors. the cryptochrome story requires conditions in the eye that are not conducive to quantum effects and knowing where North is does not help without…
Some thoughts on The Migration of the Arctic Terns by George Nissen
See www.arctictern.info see the google tour You can see the tern’s tracks from their breeding grounds in Greenland in the Arctic (in yellow) to their wintering grounds in Antarctica. The white track is the averaged return flight. The terns dawdle down to their Antarctic wintering grounds looking for food etc. The Earth’s Prevailing winds. Note:…
The amazing navigation of Shearwaters
http://www.delanceyplace.com/view_sresults.php?2591