These butterflies are extremely choosey about finding mates with their own, species-specific wing pattern.

BBC: NEWS | Science/Nature | Two species become one in the lab

The crucial bit of the puzzle is that viruses have to be caught from another infected individual and they are usually species-specific.

ECONOMIST: The reason loneliness could be bad for your health

These species-specific patterns are also crucial in deterring predators.

BBC: NEWS | Science/Nature | Two species become one in the lab

We don't yet know which species will benefit, and which will suffer in response to the changes, but because each species plays a specific ecological role on the tundra, the downfall of one species or proliferation of another could have a domino effect that disrupts the tundra's delicate food web.

CNN: Next global warming worry: Thawing tundra

Delegates will have to deal with 70 proposals for amending the rules relating to specific species.

BBC: CITES meeting to deal with species 'extinction crisis'

Until now, some scientists have thought that many individuals of the same species with certain talents could perform specific tasks better than the same number of individuals from different species.

ECONOMIST: Marine biodiversity

Earlier this year the baiji or Yangtse River Dolphin was declared probably extinct, and the Critically Endangered vaquita (Phocoena sinus) - another species restricted to a small, specific habitat - will follow suit without swift action, conservationists believe.

BBC: Finance woes put porpoise at risk

In his lab at the University of California, Berkeley, Full studies the biomechanics behind animal movement, trying to identify which species are the best at executing specific types of motion, such as running, climbing or crawling and then attempting to pinpoint exactly what biological features makes these creatures so skilled at what they do.

CNN: Snails inspire design for state-of-the-art robots

The 5 complementary posters provide a wealth of information, both in Khmer and English, on the characteristics of the flooded forest ecosystem, as well as specific tree, bush, vine and aquatic species that can be found in the great lake.

UNESCO: OFFICE IN PHNOM PENH