Bikar's status as a major seabird nesting site was affected by a cyclone and the introduction of more aggressive rat species.

(The site also included many animal bones, including those of the rat species that arrived on the island with the Polynesians.)

Lonchothrix emiliae is a spiny rat species from South America.

Small spiny rat may refer to several different rat species:

In the 1970s he conducted a three year expedition to Sulawesi where he discovered several mice and rat species which were new to science.

Other threats comes from feral pigs, the Black Rat and other rat species.

It is a medium-sized rat species.

This distinguishes them from the tan or brown colouration of many other rat species.

Batomys hamiguitan (a yellow-brown furry-tailed rat species endemic to the area)

The common punaré, Thrichomys apereoides, is a spiny rat species from South America.