Body weight
The Mexican long-tongued bat is medium in size in the family Phyllostomidae. Its pelage can be up to 7 mm long and is typically gray to brownish but can be paler on the shoulders. Wings are darker brownish gray with paler tips. The ears will also have the same coloration as the body and will vary in size. The tail is short. Body weight is 10-20 g, with a maximum of 25 g in pregnant females.