https://kids.guinnessworldrecords.com en

Longest gestation period (bat)

Longest gestation period (bat)
Who
Common vampire bat, Desmodus rotundus
What
7-8 month(s)
Where
Not Applicable
When
N/A

The bat with the longest gestation period is the common vampire bat (Desmodus rotundus). Native to Mexico, Central America and South America, it has a gestation period of 7–8 months, and when the baby bat is born this then suckles its mother for an additional 9 months, sometimes even longer.