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Animal Size

Mexican free-tailed bat size: How big do they get?

How big does a Mexican free-tailed bat get? Here is an overview over the average adult age:

A grown Mexican free-tailed bat (Tadarida brasiliensis) reaches an average size of 4.1 cm (0′ 2″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 15 years, they grow from 3 grams (0.01 lbs) to 12 grams (0.03 lbs). Talking about reproduction, Mexican free-tailed bats have 1 babies about 1 times per year. The Mexican free-tailed bat (genus: Tadarida) is a member of the family Molossidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a Mexican free-tailed bat is (0' 2

The Mexican free-tailed bat or Brazilian free-tailed bat (Tadarida brasiliensis) is a medium-sized bat native to the Americas, regarded as one of the most abundant mammals in North America. Its proclivity towards roosting in huge numbers at relatively few locations makes it vulnerable to habitat destruction in spite of its abundance. The bat is considered a species of special concern in California as a result of declining populations. It has been claimed to have the fastest horizontal speed (as opposed to stoop diving speed) of any animal, reaching top ground speeds over 100 mph (161 km/h); its actual air speed has not been measured. The Texas Legislature designated the Mexican free-tailed bat the state mammal (flying) in 1995.

Animals of the same family as a Mexican free-tailed bat

We found other animals of the Molossidae family:

Animals with the same size as a Mexican free-tailed bat

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Mexican free-tailed bat:

Animals with the same litter size as a Mexican free-tailed bat

Here is a list of animals that have the same number of babies per litter (1) as a Mexican free-tailed bat:

Animals with the same life expectancy as a Mexican free-tailed bat

Completely different animals, but becoming as old as a Mexican free-tailed bat:

Animals with the same weight as a Mexican free-tailed bat

As a comparison, here are some other animals that weight as much as the Tadarida brasiliensis: