Sentences with phrase «several endangered populations»

Despite the observation of CDV contributing to declines in several endangered populations, many uncertainties remain about the threat that it poses.

Not exact matches

In February 2015, a sub-population of Murray hardyhead were translocated to this site from the South Australian Riverland, as part of ongoing efforts by several agencies to restore the population of this endangered fish species.

Last year a study by the National Academy of Sciences reported that in the last three decades the Steller sea lion population dropped from several hundred thousand to about 30,000 — so few that they are now listed as threatened under the Endangered Species Act.

As a result, understanding changes in population size for social species — several of which, such as African wild dogs and southern resident killer whales, are endangered — requires understanding of what goes on within groups and how individuals fare when they strike out on their own.

The range is home to a number of important conservation targets which include, but are not limited to, at least 2 marine fish spawning aggregation sites, a breeding population of the endangered American Crocodile, and a number of threatened coastal marine habitats including the greater reef complex itself, beach forests that support several important species of resident and migratory birds and at least 2 species of marine turtles are believed to nest on the range.

Lamanai's wide variety of habitats in a small area promotes species diversity, as seen by its healthy populations of several endangered animals and nearly 400 species of birds.

The Kemp's Ridley sea turtle sets itself apart from other turtle populations in several ways: They're the smallest of all the Gulf of Mexico turtle species, measuring only about 2 feet when fully grown; they're the world's most endangered sea turtle; and they're known for their synchronized nesting activities, called arribadas, in which hundreds or thousands of females come ashore on the same day to lay their eggs.

Once native to several countries around the North Sea — and now only one (sub) species population surviving — and critically endangered — in the Pyrenees.

A. Several whale populations are indisputably endangered, including western gray whales (eastern gray whales, which are the population of gray whales found on the Pacific coast of North America, are no longer considered endangered), eastern bowhead whales, North Atlantic and Pacific right whales, blue whales, and most humpback whales.

Those in favor of the hunt argue that bear populations need to be controlled as there are 4,350 black bears in Florida today, compared to several hundred in the 1970s when the species was first declared endangered.