Tag

Migration
11
Dec

World Migratory Bird Day 2022 Theme to Focus on Light Pollution

December 11, 2021
Source: https://www.worldmigratorybirdday.org/news/2021/world-migratory-bird-day-2022-theme-focus-light-pollution Bonn, 9 December 2021 – Light Pollution will be the focus of the World Migratory Bird Day 2022 campaign.  Artificial light is increasing globally by at least 2 per cent per year and it is known to adversely affect many bird species. Light pollution is a significant threat to migratory birds, causing disorientation when they fly at...
Read More
07
May

New Evidence Suggests Sharks Use Earth’s Magnetic Field to Navigate

May 7, 2021
Source: smithsonianmag.com https://www.smithsonianmag.com/science-nature/new-evidence-suggests-sharks-use-earths-magnetic-field-navigate-180977668/ Bonnethead sharks swam in the direction of their home waters when placed in a tank charged with an electromagnetic field. By Alex Fox SMITHSONIANMAG.COMMAY 6, 2021 Every December, great white sharks swimming off the coast of California make a beeline for a mysterious spot in the middle of the Pacific roughly halfway to...
Read More
07
May

Map-like use of Earth’s magnetic field in sharks

May 7, 2021
Map-like use of Earth’s magnetic field in sharks Bryan A. Keller, Nathan F. Putman, R. Dean Grubbs, David S. Portnoy Timothy P. Murphy Published: May 06, 2021 DOI: https://doi.org/10.1016/j.cub.2021.03.103 Video abstract
Read More
24
Feb

Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys

February 24, 2020
Daniel Nyqvist, Caroline Durif, Magnar Gullikstad Johnsen, Karen De Jong, Tonje Nesse Forland, Lise Doksæter Sivle, Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys, Marine Environmental Research, Volume 155, 2020, 104888, ISSN 0141-1136, https://doi.org/10.1016/j.marenvres.2020.104888 Abstract Electromagnetic surveys generate electromagnetic fields to map petroleum deposits under the seabed with unknown...
Read More