What is the maximal age a Allen’s big-eared bat reaches?
An adult Allen’s big-eared bat (Idionycteris phyllotis) usually gets as old as 3.17 years.
When born, they weight 13 grams (0.03 lbs) and measure 2.5 cm (0′ 1″). As a member of the Vespertilionidae family (genus: Idionycteris), a Allen’s big-eared bat gets offspring up to 1 times per year. Fully grown, they reach a bodylength of 5.9 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.
Allen’s big-eared bat (Idionycteris phyllotis) is a species of vesper bat in the monotypic genus Idionycteris. It occurs in Mexico and in Arizona, California, Nevada, New Mexico, Utah, and Colorado in the United States.
Animals of the same family as a Allen’s big-eared bat
Not really brothers and sisters, but from the same biological family (Vespertilionidae):
- Beatrix’s bat bringing the scale to 7 grams
- Red myotis bringing the scale to 5 grams
- Bechstein’s bat becoming 21 years old
- Moloney’s mimic bat bringing the scale to 8 grams
- Peters’s trumpet-eared bat with 1 babies per pregnancy
- Rafinesque’s big-eared bat becoming 10.08 years old
- Wall-roosting mouse-eared bat with 1 babies per pregnancy
- Southern forest bat with 1 babies per pregnancy
- Little broad-nosed bat bringing the scale to 10 grams
- Rüppell’s broad-nosed bat with 1 babies per pregnancy
Animals that reach the same age as Allen’s big-eared bat
With an average age of 3.17 years, Allen’s big-eared bat are in good companionship of the following animals:
- Bush rat usually reaching 3.42 years
- Acacia rat usually reaching 3.5 years
- Hylaeamys megacephalus usually reaching 3.75 years
- Cape mole-rat usually reaching 3 years
- White-footed mouse usually reaching 3.17 years
- Lesser bamboo rat usually reaching 3.67 years
- African wading rat usually reaching 3 years
- Little long-tailed dunnart usually reaching 3.17 years
- Tome’s spiny rat usually reaching 2.58 years
- Sminthopsis laniger usually reaching 3.25 years
Weighting as much as Allen’s big-eared bat
A fully grown Allen’s big-eared bat reaches around 12 grams (0.03 lbs). So do these animals:
- Big naked-backed bat with 13 grams
- Northern groove-toothed shrew mouse with 10 grams
- Para dog-faced bat with 12 grams
- Salt marsh harvest mouse with 10 grams
- Little long-tailed dunnart with 14 grams
- Pleasant gerbil with 13 grams
- New Guinean jumping mouse with 14 grams
- Glacier Bay water shrew with 14 grams
- Sandy inland mouse with 14 grams
- Gray long-tongued bat with 10 grams
Animals as big as a Allen’s big-eared bat
Those animals grow as big as a Allen’s big-eared bat:
- Madagascar sucker-footed bat with 5.8 cm (0′ 3″)
- Shinto shrew with 6.3 cm (0′ 3″)
- Lesser ranee mouse with 6.5 cm (0′ 3″)
- Delicate vesper mouse with 6.9 cm (0′ 3″)
- Merriam’s pocket mouse with 5.8 cm (0′ 3″)
- Orange leaf-nosed bat with 4.9 cm (0′ 2″)
- Saint Lawrence Island shrew with 6.3 cm (0′ 3″)
- Hodgson’s brown-toothed shrew with 6.4 cm (0′ 3″)
- Vagrant shrew with 6.4 cm (0′ 3″)
- Trowbridge’s shrew with 6.3 cm (0′ 3″)