| Until recently it was considered a subspecies of the diademed sifaka, but geneticists have now determined that it is a separate species. |
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| Equally at home running along the ground or chasing through the canopy, they cruise the forest looking for a vulnerable ringtail or a sleeping sifaka. |
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| A total of 794 species were considered at risk, including the Indian pygmy hog, the Mallorcan midwife toad and the golden-crowned sifaka of Madagascar. |
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| Perrier's sifaka of Madagascar and the Tana River red colobus of Kenya are now restricted to tiny patches of tropical forest, leaving them vulnerable to rapid eradication. |
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| She's also one of a handful of scientists to perform critical work on the highly endangered silky sifaka and Perrier's sifaka, whose habits remain a mystery to biologists. |
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| All but the sifaka are nocturnal, so much of our searching took place at night, looking for eye shine in our headlamps. |
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| Animal specimens were obtained from various species of ruminants and rodents, a horse, a raccoon, and a primate, Verreaux's sifaka. |
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| For example, sifaka lemurs living in the northwestern deciduous forests mostly eat leaves. |
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| A makeshift trail was cut far up a slippery hill home to the worldAAEs few hundred remaining silky sifaka lemurs. |
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| This as yet unnamed crowned sifaka lemur is Belfast Zoo's latest arrival. |
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