Two-thirds of antelope species in decline

  The springbok is the only antelope species whose population is on the rise, according to a new review by the Red List for the International Union for Conservation of Nature (IUCN). In addition, over a quarter of the antelopes, 25 species out of 91, are considered threatened with extinction. “Unsustainable harvesting, whether for food […]

Dramatic decline in size of trophy fish

Archival photographs spanning more than five decades reveal a drastic decline of so-called “trophy fish” caught around coral reefs surrounding Key West, Florida. Loren McClenachan, a graduate student at the Scripps Institution of Oceanography at the University of California, San Diego, estimates that large predatory fish have declined in weight by 88 percent in modern […]

Northern fur seal pup decline: lowest birth rate since 1916

  Researchers have marked another decline in northern fur seal pup births in the Pribilof Islands in the Bering Sea, where most of the world’s population of northern fur seals gather in the summer to rest and breed. “We started seeing an over-all decline in the abundance of fur seals on the Pribilof Islands around […]

Caspian seal numbers plummet 90%, at edge of genetic viability

By Morgan Erickson-Davis, mongabay.com Caspian Seal populations have declined 90% in the past 100 years, prompting the IUCN to switch their designation from Vulnerable to Endangered. A team from the University of Leeds performed a series of surveys in 2007 and 2008 which revealed that the birth rate has decreased from around 17,000 pups born […]

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