To find out how the common vampire bat -- a.k.a. Both, they discovered, stand apart from the 1,200 other species of bats that favour fruits, flesh, and/or insects. Gilbert speculated that vampire bats might have eased into pure-blood diet, starting with blood-gorged insects such as tics and mosquitos. The common vampire bat feed mostly on mammals, including humans, often returning night-after-night to the same animal for a meal. Vampire bats are also surprising generous, willing to share a (regurgitated) meal with a fellow bat that missed out, even if they are not related.

Source: The Nation Bangkok February 19, 2018 22:41 UTC