Scientists said they have mapped for the first time the complete genome of a vampire bat
, finding that this flying mammal boasts numerous genetic traits that help it thrive on an exotic food source that offers nutritional disadvantages and exposes it to blood-borne pathogens.
Gilbert speculated that vampire bats
might have eased into pure-blood diet, starting with blood-gorged insects such as tics and mosquitos.
Scientists at Federal University of Pernambuco in Recife, Brazil claim that a colony of hairy-legged vampire bats
are the culprits, after tracing human DNA from 70 feces samples of these bats.
111-131, en: The natural history of vampire bats
(AM Greenhall y U Schmidt, eds).
Outbreak of agressions and transmission of rabies in human beings by vampire bats
in northeastern Brazil.
Greenhall (1972) observed that when a variety of hosts is present, the vampire bat
is selective; although, when only the least preferred host is available, vampire bats
may attack them severely (Turner, 1975; Voigt and Kelm, 2006).
He noted that vampire bats
secreted multiple forms of the same active components, with myriad tiny changes scattered across the surface of the molecules and that even if an antibody is generated against one molecule, there are a number of other ones that will sneak past the prey's defence system and keep the blood flowing.
Present and potential future distribution of common vampire bats
in the Americas and the associated risk to cattle.
it--the vampire bats
nibbling at his toes (he feasted on turtles, manioc
In Peru and other countries within the Amazon rainforest region, RABV transmitted by vampire bats
has acquired greater epidemiologic importance because of the more frequent detection of human rabies outbreaks.
South America Vampire bat
Central America 1 ounce Vampire bats
drink the and South blood of livestock, America such as chickens, cows, and sheep.