Researchers observe decline in calf sightings at major summer feeding ground in Canada
Humpback whales could be breeding less amid climate crisis, study says
6. ledna 2021 14:30
Klimatická změna
Příroda
Celý článek: https://www.independent.co.uk/environment/climate-change/humpback-whales-climate-change-crisis-b1783163.html
Zdroj: The Independent