Caribou in northwestern Canada are often divided between two major groups. Barren ground caribou (Rangifer tarandus groenlandicus) make massive migrations across the continent. Woodland caribou (R.t. caribou) also travel, but not nearly at the same …
In the century since Barbary sheep were brought from North Africa to the United States, they have spread from zoos to ranches to the wild, raising questions about their impacts on native ecosystems. “It’s definitely …
For decades, wildlife managers have worked widely with different bear species, from controlling problem bears in campsites, to conserving imperiled species like polar bears. This work has evolved greatly. For example, 60 years ago, managers …
Over the 50 years since mottled ducks were introduced to South Carolina, the results have been mixed. Hunters and others certainly like having them around, but their influence on the local ecosystem and other birds …
Arroyo toads’ have seemingly weathered long-term drought in California, but the desert specialists are still disappearing from some of their former wetland breeding sites. The arroyo toad (Anaxyrus californicus) is only found in California in …
Mosquito control and captive breeding may be the only ways to save two Hawaiian bird species hurtling toward extinction on the island of Kauai. Only a few dozen ‘akikiki (Oreomystis bairdi) live in the wild, …
When most people think of mammals in Central Africa, the first thing that comes to mind are the massive charismatic species like elephants, giraffes, lions or hippos. But many wild parts of the region contain …
Hanging off cliffs a few hundred meters above Hudson Bay made for some great views. The deep blue of the water underneath contrasted with the white rock of the exposed cliffs and the emerald colors …
The idea of a flock of vultures carrying off a cow may seem like some ridiculous fantasy, but as black vultures expand northward into the United States, it may not be that far from reality. …
Two decades of Gunnison sage-grouse translocation have revealed that when it comes to survival, you can’t teach an old grouse new tricks. Tony Apa has been involved with boosting Gunnison sage-grouse populations before they were …
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