How many baby Rüppell’s pipistrelles are in a litter?
A Rüppell’s pipistrelle (Pipistrellus rueppellii) usually gives birth to around 1 babies.
Upon birth, they weight 1 grams (0 lbs) and measure 4 cm (0′ 2″). They are a member of the Vespertilionidae family (genus: Pipistrellus). An adult Rüppell’s pipistrelle grows up to a size of 4.5 cm (0′ 2″).
To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.
Rüppell’s pipistrelle (Pipistrellus rueppellii) is a species of vesper bat found in Africa and Asian republics such as Iraq and Israel. It is found in dry and moist savanna, subtropical or tropical dry shrubland, and hot deserts.
Other animals of the family Vespertilionidae
Rüppell’s pipistrelle is a member of the Vespertilionidae, as are these animals:
- Yellow-lipped bat weighting only 5 grams
- Burmese whiskered bat weighting only 8 grams
- Greater noctule bat with 1 babies per pregnancy
- Rafinesque’s big-eared bat with 1 babies per pregnancy
- Glen’s wattled bat weighting only 10 grams
- Lesser mouse-eared bat becoming 19.75 years old
- Brandt’s bat weighting only 5 grams
- Tacarcuna bat weighting only 12 grams
- Western barbastelle with 2 babies per pregnancy
- Western broad-nosed bat with 1 babies per pregnancy
Animals that share a litter size with Rüppell’s pipistrelle
Those animals also give birth to 1 babies at once:
- Common noctule
- Thumbless bat
- Four-horned antelope
- Okapi
- Weddell seal
- Gray whale
- Feather-tailed possum
- Malayan porcupine
- Mexican long-tongued bat
- Eld’s deer
Animals with the same weight as a Rüppell’s pipistrelle
What other animals weight around 7 grams (0.02 lbs)?
- Chestnut-bellied shrew weighting 7 grams
- Ozimops loriae weighting 7 grams
- Blackish small-eared shrew weighting 8 grams
- Bushveld horseshoe bat weighting 8 grams
- Setzer’s pygmy mouse weighting 6 grams
- Verapaz shrew weighting 7 grams
- Western long-tongued bat weighting 8 grams
- De Winton’s long-eared bat weighting 6 grams
- Niceforo’s big-eared bat weighting 8 grams
- Narrow-nosed planigale weighting 6 grams
Animals with the same size as a Rüppell’s pipistrelle
Also reaching around 4.5 cm (0′ 2″) in size do these animals:
- Greater bulldog bat gets as big as 4.8 cm (0′ 2″)
- White-winged serotine gets as big as 3.7 cm (0′ 2″)
- Little brown bat gets as big as 5.2 cm (0′ 3″)
- Inyo shrew gets as big as 5.2 cm (0′ 3″)
- Grey long-eared bat gets as big as 4.1 cm (0′ 2″)
- Orange leaf-nosed bat gets as big as 4.9 cm (0′ 2″)
- Wagner’s mustached bat gets as big as 4.5 cm (0′ 2″)
- Ornate shrew gets as big as 4.9 cm (0′ 2″)
- Indiana bat gets as big as 4.7 cm (0′ 2″)
- Moupin pika gets as big as 5.2 cm (0′ 3″)