Tag Archives: range

Predator Defenses Backfired: Poisonous Frogs Face Higher Risk Of Extinction, Researchers Say 

… “radiating”) their range, and increase the number of species to avoid an increasing rate of extinction, the release noted. To continue reading this article, please click on the link below: Source: Predator Defenses Backfired: Poisonous Frogs Face Higher Risk Of Extinction, Researchers Say : News : Nature World News …

Climate change raises cat threat 

… would have. Under one grim 2070 model, climate change could widen the range of areas suitable for feral cats, bringing them closer to conservation hotspots in new places like the central North Island, and the top and central areas of the South Island. Dr Aguilar’s previous work has demonstrated links between human population density, economic deprivation and the occurrence of stray cats, showing that a dense population generally indicated stray cats would be present. In Auckland, an …

World’s most endangered big cat may be on the rebound 

By Emily J. Gertz, TakePart | September 1, 2015 The number of Amur leopards has more than doubled since hitting a low in 2007, researchers in Russia and China say. An extremely rare spotted cat could be stepping back from the brink of extinction. The Amur leopard appears to have doubled its wild population in the past several years from fewer than 40 adults in 2007 to 80 or more in 2014 and repopulated some of its historic range in China, according to a joint announcement by Russian and …

Seal pups recognise their mothers’ voices and differentiate in Antarctic colonies | Daily Mail Online

… closer range. The researchers, from the University of Paris-Sud, found that when mothers return to the colony, they and their pups initially use vocalisations to find each other among several hundred other seals. They then use their sense of smell to confirm. As recognising vocal calls is essential to their survival, the study investigated the components of the individual vocal signature detected by pups to identify their mothers. To continue reading this article, please click on the link below: …

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