Pacific coast gray whales rely on energy reserves stored during the feeding season to support the demands of migration and reproduction during winter -- and the question arises whether they are able to put enough energy towards reproduction
Pacific coast gray whales rely on energy reserves stored during the feeding season to support the demands of migration and reproduction during winter -- and the question arises whether they are able to put enough energy towards reproduction
As featured on
Pacific coast gray whales have shrunk in length an astonishing 13 percent since 2000, adding to evidence that climate change and other human activities are making marine mammals smaller, a study says.