What is the maximal age a Townsend’s big-eared bat reaches?
An adult Townsend’s big-eared bat (Plecotus townsendii) usually gets as old as 21.17 years.
Townsend’s big-eared bats are around 67 days in the womb of their mother. When born, they weight 2 grams (0 lbs) and measure 4.6 cm (0′ 2″). As a member of the Vespertilionidae family (genus: Plecotus), a Townsend’s big-eared bat caries out around 1 little ones per pregnancy, which happens around 1 times a year. Fully grown, they reach a bodylength of 5.7 cm (0′ 3″).
As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.
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
Not really brothers and sisters, but from the same biological family (Vespertilionidae):
- Hodgson’s bat bringing the scale to 7 grams
- Hutton’s tube-nosed bat bringing the scale to 7 grams
- Nyctophilus arnhemensis bringing the scale to 6 grams
- Ridley’s bat bringing the scale to 4 grams
- Somali serotine with 2 babies per pregnancy
- Brown long-eared bat becoming 30 years old
- Seminole bat with 2 babies per pregnancy
- Hoary wattled bat bringing the scale to 8 grams
- Variegated butterfly bat with 1 babies per pregnancy
- Brandt’s bat bringing the scale to 5 grams
Animals that reach the same age as Townsend’s big-eared bat
With an average age of 21.17 years, Townsend’s big-eared bat are in good companionship of the following animals:
- Greater mouse-eared bat usually reaching 22 years
- Plains zebra usually reaching 20 years
- Hartebeest usually reaching 20 years
- Nile lechwe usually reaching 18.67 years
- Subantarctic fur seal usually reaching 23 years
- Pygmy sperm whale usually reaching 17 years
- Northern olingo usually reaching 25 years
- Southern hairy-nosed wombat usually reaching 24.5 years
- Nilgiri tahr usually reaching 17.25 years
- Bechstein’s bat usually reaching 21 years
Animals with the same number of babies Townsend’s big-eared bat
The same number of babies at once (1) are born by:
- Hawaiian monk seal
- Northeast African mole-rat
- Greater Asiatic yellow bat
- Alpine ibex
- Eld’s deer
- Greater dog-like bat
- Little bent-wing bat
- Amazonian manatee
- Neotropical pygmy squirrel
- Naked-rumped pouched bat
Weighting as much as Townsend’s big-eared bat
A fully grown Townsend’s big-eared bat reaches around 10 grams (0.02 lbs). So do these animals:
- Papillose woolly bat with 10 grams
- Darling’s horseshoe bat with 8 grams
- Commissaris’s long-tongued bat with 9 grams
- Allen’s big-eared bat with 12 grams
- Lesser noctule with 12 grams
- Antillean ghost-faced bat with 8 grams
- Black-gilded pipistrelle with 10 grams
- Fringed myotis with 8 grams
- Bicolored roundleaf bat with 8 grams
- Northern birch mouse with 8 grams
Animals as big as a Townsend’s big-eared bat
Those animals grow as big as a Townsend’s big-eared bat:
- Pygmy shrew tenrec with 5.6 cm (0′ 3″)
- Eurasian harvest mouse with 5.9 cm (0′ 3″)
- Parnell’s mustached bat with 5.7 cm (0′ 3″)
- Long-tongued nectar bat with 6.8 cm (0′ 3″)
- Madagascar sucker-footed bat with 5.8 cm (0′ 3″)
- Dwarf shrew with 5.2 cm (0′ 3″)
- Red fruit bat with 6.1 cm (0′ 3″)
- Rhinolophus hilli with 6 cm (0′ 3″)
- Orange leaf-nosed bat with 4.9 cm (0′ 2″)
- Panamint kangaroo rat with 6 cm (0′ 3″)