It is hard to guess what a Townsend’s big-eared bat weights. But we have the answer:
An adult Townsend’s big-eared bat (Corynorhinus townsendii) on average weights 10 grams (0.02 lbs).
The Townsend’s big-eared bat is from the family Vespertilionidae (genus: Corynorhinus). It is usually born with about 2 grams (0 lbs). They can live for up to 21.17 years. When reaching adult age, they grow up to 5.7 cm (0′ 3″). Normally, Townsend’s big-eared bats can have babies 1 times a year.
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.
Townsend’s big-eared bat (Corynorhinus townsendii) is a species of vesper bat.
Animals of the same family as a Townsend’s big-eared bat
We found other animals of the Vespertilionidae family:
- Eastern forest bat with a weight of 5 grams
- Northern bat with a weight of 10 grams
- Large myotis with a weight of 42 grams
- Himalayan whiskered bat with a weight of 2 grams
- Thick-eared bat with a weight of 8 grams
- Little pied bat with 2 babies per litter
- Little yellow bat with a weight of 4 grams
- Southeastern myotis with a weight of 7 grams
- Brown pipistrelle with a weight of 6 grams
- Little forest bat with a weight of 3 grams
Animals with the same weight as a Townsend’s big-eared bat
As a comparison, here are some other animals that weight as much as the Corynorhinus townsendii:
- Greater white-toothed shrew bringing 9 grams to the scale
- Jouvenet’s shrew bringing 9 grams to the scale
- Rufous horseshoe bat bringing 12 grams to the scale
- Luzon shrew bringing 10 grams to the scale
- Large rufous horseshoe bat bringing 10 grams to the scale
- Western broad-nosed bat bringing 11 grams to the scale
- Plains pocket mouse bringing 9 grams to the scale
- Molossops planirostris bringing 12 grams to the scale
- Southern short-tailed shrew bringing 11 grams to the scale
- Brazilian brown bat bringing 9 grams to the scale
Animals with the same size as a Townsend’s big-eared bat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Townsend’s big-eared bat:
- Hairy big-eyed bat with a size of 6.3 cm (0′ 3″)
- Red fruit bat with a size of 6.1 cm (0′ 3″)
- Pallas’s long-tongued bat with a size of 4.8 cm (0′ 2″)
- Preble’s shrew with a size of 5.3 cm (0′ 3″)
- Dwarf shrew with a size of 5.2 cm (0′ 3″)
- Rhinolophus hilli with a size of 6 cm (0′ 3″)
- Peters’s sheath-tailed bat with a size of 5.7 cm (0′ 3″)
- Fulvous harvest mouse with a size of 6.6 cm (0′ 3″)
- Johnston’s forest shrew with a size of 5.3 cm (0′ 3″)
- Little yellow-shouldered bat with a size of 6.5 cm (0′ 3″)
Animals with the same life expectancy as a Townsend’s big-eared bat
Completely different animals, but becoming as old as a Townsend’s big-eared bat:
- American marten with an average maximal age of 19 years
- Swift fox with an average maximal age of 20 years
- Northern elephant seal with an average maximal age of 20.25 years
- Madagascan fruit bat with an average maximal age of 20 years
- Takin with an average maximal age of 19.5 years
- Cotton-top tamarin with an average maximal age of 23.08 years
- African palm civet with an average maximal age of 18.5 years
- Mantled guereza with an average maximal age of 24.5 years
- West Caucasian tur with an average maximal age of 20.5 years
- Antarctic fur seal with an average maximal age of 23 years