... have come and gone, being replaced by new ones that are better able to cope with life`s challenges. But some species last longer than others, while others may die out sooner or evolve more quickly.
... idea of just how many fish--or crustacean, sponge, squid, plankton, and even mammal--species there are in the ocean, but they estimate as many as one million. The Census of Marine Life aims to record ...
... with thousands of participating scientists, more than 16,000 species worldwide are threatened with extinction. One in four mammal species, one in eight bird species and one in three amphibian species ...
... the Proceedings of the Royal Society. This is an unexpected result considering the thousands of mammals’ species with a myriad of habitats and lifestyles, as so well demonstrated when comparing the ...
... sound on marine mammals depend on many aspects, such as intensity and frequency of sounds, marine mammal species and their age, environmental conditions, etc. In addition, the physiological effects of ...
... Mammals: Diversity, Threat, and Knowledge") and unveiling a "Red List" of endangered mammal species (at the International Union for Conservation of Nature World Conservation Congress in Barcelona, ...
One of the smallest seals – the Caspian - has joined a growing list of mammal species in danger of extinction. Scientists from the University of Leeds together with international partners have ...
... assessment, which covers 5,487 wild mammal species, represents five years of work ... time when the collection samples were taken.
Although many mammal species are endangered, the Field Museum's Patterson ...
... Striped Rabbit, one of several new mammal species found here. New mammal discoveries are a rarity in modern science.
... 88 spiders, 46 lizards, 22 snakes, 15 mammals, 4 birds, 4 turtles, 2 salamanders ...
... new study published in The American Naturalist, mammals that hibernate or that hide in burrows are less likely ... today.
Using a database of over 4,500 living mammal species, Liow and his team identified ...
... might think that the discovery of a host of new species would be cause for joy. Not entirely so ... approximately 10 percent of the known species of mammals. As a group, mammals have been very well studied ...
... one might think that the discovery of a host of new species would be cause for joy. Not entirely so, says ... Paul Ehrlich, co-author of an analysis of the 408 new mammalian species discovered since 1993.
... for female mate choice in mammals. Unlike birds, many mammal species are sexually active at night. ... mate choice.
"[I]t is possible that in some mammals, males produce olfactory signals that match the ...
... researchers ended up with a total of 50,000 records, 14,614 of which were for the nine mammal species in the study. When those records were analyzed, they painted a clear picture of mammals on the ...
... of unique brain cells found only in humans, primates, elephants and a handful of marine mammals -- species that are characterized by large brains, a long childhood spent learning from their elders, ...
