It is hard to guess what a Brown mastiff bat weights. But we have the answer:
An adult Brown mastiff bat (Promops nasutus) on average weights 15 grams (0.03 lbs).
The Brown mastiff bat is from the family Molossidae (genus: Promops). It is usually born with about 3 grams (0.01 lbs). When reaching adult age, they grow up to 79.9 cm (2′ 8″).
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The brown mastiff bat (Promops nasutus), is a South American bat species, found in Venezuela, Trinidad, Guyana, Surinam, Brazil, Ecuador, Peru, Bolivia, Paraguay, and northern Argentina.
Animals of the same family as a Brown mastiff bat
We found other animals of the Molossidae family:
- Greenhall’s dog-faced bat with a weight of 15 grams
- Mato Grosso dog-faced bat with a weight of 7 grams
- Peale’s free-tailed bat with a weight of 18 grams
- Midas free-tailed bat with a weight of 45 grams
- Northern freetail bat with a weight of 20 grams
- Spotted free-tailed bat with a weight of 15 grams
- Roberts’s flat-headed bat with a weight of 14 grams
- Micronomus with a weight of 8 grams
- Aztec mastiff bat with a weight of 14 grams
- Cinnamon dog-faced bat with a weight of 35 grams
Animals with the same weight as a Brown mastiff bat
As a comparison, here are some other animals that weight as much as the Promops nasutus:
- Bokhara horseshoe bat bringing 15 grams to the scale
- Hairy big-eared bat bringing 12 grams to the scale
- Marsh shrew bringing 15 grams to the scale
- Butiaba naked-tailed shrew bringing 18 grams to the scale
- Savanna path shrew bringing 16 grams to the scale
- Himalayan shrew bringing 14 grams to the scale
- Trident bat bringing 12 grams to the scale
- Small vesper mouse bringing 14 grams to the scale
- Velvety free-tailed bat bringing 13 grams to the scale
- Delicate vesper mouse bringing 13 grams to the scale