Sentences with word «sifaka»

If a female sifaka inherits a different form of the gene on each of its X chromosomes — as in humans, only females have two X chromosomes — its eyes are endowed with all three cones, in a phenomenon called «polymorphic trichromacy.»

There are nine recognized species of sifakas in Madagascar, and all have similar social structure with only two reproducing adults and between two and four members.

The golden crowned sifaka, Propithecus tattersalli, is a lemur living in small social units in the north of Madagascar.

Coincidentally, Bradley had sequenced the genomes of nearly 100 Verreaux's sifaka in a different Malagasy forest in 2005, as a postdoc.

Young sifakas are more likely to get sick, but if researchers can figure out how older animals manage to fight the infection, they might be able to develop vaccines that provide infants the same protection.

The monitors reported the arrival of 233 dead indri and 121 diademed sifaka, another threatened species.

In an e-mail last week, she described her decade of work there, in which she focused on several severely endangered primates, including the silky sifaka, which is restricted to the Marojejy National Park and surrounding regions.

The female sifaka, though, show how some animals can chance on trichromacy even if most of the other members are dichromats, meaning they have only two types of cone cells.

Some lemurs, like crowned sifakas, could fare relatively well.

Male Coquerel's sifakas, made famous by the preschool TV show «Zooboomafoo,» have been observed grooming and holding infants (Bastian and Brockman 2007).

Despite various efforts to stop the infection, such as quarantining infected lemurs and decontaminating their enclosures, more than half of the sifakas living at the center have tested positive for crypto at some point.

Coquerel's sifakas, like this mother - baby pair, are the only lemur species out of 17 at the Duke Lemur Center to fall prey to Cryptosporidium, a waterborne illness that causes weakness and diarrhea.

All of the infected animals are sifakas — the only lemur species out of 17 at the center known to fall prey to the parasite — and most of them were under age five when they got sick.

In a study published in the May 29, 2014, edition of Molecular Ecology Resources, Duke researchers Peter Larsen, Ryan Campbell and Anne Yoder used high - throughput sequencing on sifaka blood samples to generate sequence data for more than 150,000 different sifaka antibodies — protective molecules that latch on to bacteria, viruses and other foreign invaders in the body and fight them off before they cause infection.

But in 2007 two German scientists saw three male fossas team up to hunt a primate called a sifaka.

Down for the count: Cryptosporidium infection depletes the gut microbiome in Coquerel's sifakas.

Today's lemur species range in size from the tiny pygmy mouse lemur, weighing in at about an ounce, to the 15 - pound indri lemur and the sifaka, which are both about the size of a standard house cat.

For a female sifaka to be trichromatic, in other words, she needs to inherit each of these versions of the gene, as opposed to, redundantly, two of the same.

Barrickman, N.L., Schreier, A.L. (2011) The juvenile transition: sex - specific behavioural role - modeling in Coquereli's sifakas.

On hikes, look for more than ten species of lemurs, including red - bellied lemurs, Milne - Edward's sifakas, and greater dwarf lemurs; as well as tenrecs; mongooses; and myriad butterflies, frogs, and birds.

We found one Verreaux's sifaka, who was enjoying the sun atop a tamarind tree at the camp entrance, gazing down on all this as though it were as strange to him as to us, and perhaps slightly embarrassing.

The unique animal and plant species on Madagascar like this Verreaux's sifaka, a type of lemur, face a changing climate that could make parts of their island unsuitable for the species living there now.