Animal Age

How old does a Gray bat get? (age expectancy)

What is the maximal age a Gray bat reaches?

An adult Gray bat (Myotis grisescens) usually gets as old as 39.25 years.

When born, they weight 2 grams (0 lbs) and measure 2.9 cm (0′ 2″). As a member of the Vespertilionidae family (genus: Myotis), a Gray bat caries out around 1 little ones per pregnancy, which happens around 1 times a year. Fully grown, they reach a bodylength of 4.4 cm (0′ 2″).

As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.

A Gray bat gets as old as 39.25 years

The gray bat (Myotis grisescens) is a species of microbat endemic to North America. The creature once flourished in caves all over the southeastern United States, but due to human disturbance, gray bat populations declined severely during the early and mid portion of the 20th century. At one cave alone, the Georgetown Cave in northwestern Alabama, populations declined from 150,000 gray bats to 10,000 by 1969. 95% of gray bats now only roost in 9 caves. M. grisescens has been listed as federally endangered by the U.S. Fish and Wildlife Service since 1976, and is protected under the Endangered Species Act. Gray bat populations were estimated at approximately 2 million bats around the time they were placed on the Endangered Species list. By the early 1980s populations of gray bats dropped to 1.6 million. With conservation efforts in place, in 2002, gray bat populations were estimated to have reached 2.3 million.

Animals of the same family as a Gray bat

Not really brothers and sisters, but from the same biological family (Vespertilionidae):

Animals that reach the same age as Gray bat

With an average age of 39.25 years, Gray bat are in good companionship of the following animals:

Animals with the same number of babies Gray bat

The same number of babies at once (1) are born by:

Weighting as much as Gray bat

A fully grown Gray bat reaches around 10 grams (0.02 lbs). So do these animals: