Related topics: birds · animals · prey · frogs

Two thirds of reef sharks and rays risk extinction: Study

Nearly two thirds of the sharks and rays that live among the world's corals are threatened with extinction, according to new research published Tuesday, with a warning this could further imperil precious reefs.

Rodent extinctions in Hispaniola may have been caused by humans

The island of Hispaniola once had among the highest diversity of rodents in the Caribbean, supporting 11 species that coexisted for thousands of years. Today, only one rodent species remains within the island's two countries ...

Sea stars: The benthic equivalent to the polar bear

A national research group led by researchers at the University of Manitoba has shown that polar bears share the position of top predator of the coastal Arctic marine ecosystem with seastars.

How bringing back lost species revives ecosystems

Scientists often study the grim impacts of losing wildlife to hunting, habitat destruction and climate change. But what happens when endangered animals are brought back from the brink?

Spider mites found to avoid leaves where ants have been

Ants may not urinate to mark their territory as dogs do, but the behavior of spider mites might suggest otherwise. Under significant pressure from ants, mites have to choose between safety and risk: staying out of ant territory ...

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