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 (Plecotus townsendii) on average weights 10 grams (0.02 lbs).
The Townsend’s big-eared bat is from the family Vespertilionidae (genus: Plecotus). 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″). On average, Townsend’s big-eared bats can have babies 1 times per year with a litter size of 1.
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:
- Pipistrellus mimus with a weight of 2 grams
- Banana pipistrelle with a weight of 3 grams
- Harlequin bat with a weight of 22 grams
- Szechwan myotis with a weight of 11 grams
- Elegant myotis with a weight of 4 grams
- Desert long-eared bat with a weight of 21 grams
- Desert pipistrelle with a weight of 2 grams
- Cape hairy bat with a weight of 13 grams
- Greater tube-nosed bat with a weight of 7 grams
- Serotine bat with a weight of 23 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 Plecotus townsendii:
- Natal long-fingered bat bringing 10 grams to the scale
- Sundevall’s roundleaf bat bringing 9 grams to the scale
- Merida small-eared shrew bringing 12 grams to the scale
- Greater sac-winged bat bringing 8 grams to the scale
- Common shrew bringing 9 grams to the scale
- Tricolored big-eared bat bringing 8 grams to the scale
- Davy’s naked-backed bat bringing 9 grams to the scale
- Thomas’s small-eared shrew bringing 12 grams to the scale
- Salt marsh harvest mouse bringing 10 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:
- Ash-colored Oldfield mouse with a size of 5.7 cm (0′ 3″)
- Grasse’s shrew with a size of 6.3 cm (0′ 3″)
- Greater bulldog bat with a size of 4.8 cm (0′ 2″)
- Iberian shrew with a size of 6.3 cm (0′ 3″)
- Parnell’s mustached bat with a size of 5.7 cm (0′ 3″)
- Indiana bat with a size of 4.7 cm (0′ 2″)
- Silky pocket mouse with a size of 5.9 cm (0′ 3″)
- Vagrant shrew with a size of 6.4 cm (0′ 3″)
- Serotine bat with a size of 6.8 cm (0′ 3″)
- Cinereus shrew with a size of 5.7 cm (0′ 3″)
Animals with the same litter size as a Townsend’s big-eared bat
Here is a list of animals that have the same number of babies per litter (1) as a Townsend’s big-eared bat:
- Nubian ibex
- Pileated gibbon
- Sun-tailed monkey
- Southern three-banded armadillo
- Evening bat
- Aardvark
- Red-flanked duiker
- Wagner’s bonneted bat
- Guanaco
- Northern nail-tail wallaby
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:
- African palm civet with an average maximal age of 18.5 years
- Emperor tamarin with an average maximal age of 20.17 years
- Clouded leopard with an average maximal age of 17 years
- Egyptian fruit bat with an average maximal age of 22.83 years
- Nilgiri tahr with an average maximal age of 17.25 years
- South American sea lion with an average maximal age of 24.75 years
- Lesser mouse-eared bat with an average maximal age of 19.75 years
- Plains zebra with an average maximal age of 20 years
- Barbary macaque with an average maximal age of 22 years
- Mule deer with an average maximal age of 22 years