Otomops

• Large-eared Free-tailed Bat Otomops martiensseni

  

  This large-eared free-tailed bat occurs in Africa. A 2001 study in South Africa found it using buildings as daytime roosts.

• Wroughton's Free-tailed Bat Otomops wroughtoni

  

  Wroughton’s free-tailed bat is poorly recorded in South and Southeast Asia. It is considered an open-space, high-flying forager, and a 2025 study recorded its calls in western India.

• Java Giant Mastiff Bat Otomops formosus

  This is a large, long-eared free-tailed bat from Java. Few specimens have been documented, so much of its ecology remains poorly known.

• Harrison's Giant Mastiff Bat Otomops harrisoni

  This large bat has specimen records from northeastern Africa and Yemen. It has a dark brown head and back, and records describe roosts in mountain caves and lava caves.

• Johnstone's Giant Mastiff Bat Otomops johnstonei

  This molossid bat was described from Alor Island, Indonesia. The original account is based on one adult male collected from a tree hollow, so information on its life and distribution is limited.

• Madagascar Giant Mastiff Bat Otomops madagascariensis

  It has a flattened head, large ears and dark to reddish-brown fur. It roosts in caves in western Madagascar and feeds mainly on moths and beetles.

• Big-eared Mastiff Bat Otomops papuensis

  This bat is recorded from southeastern New Guinea in Papua New Guinea. A research thesis cites tree-hollow roost records, but population and ecological information remains limited.

• Mantled Giant Mastiff Bat Otomops secundus

  The Mantled Giant Mastiff Bat is known from northeastern Papua New Guinea. A comparative account gives its ear length as 23–25 mm, and later sightings include both forested and urban areas.

• Wroughton's Free-tailed Bat Otomops wroughtoni

  Wroughton’s free-tailed bat is poorly recorded in South and Southeast Asia. It is considered an open-space, high-flying forager, and a 2025 study recorded its calls in western India.

• Large-eared Free-tailed Bat Otomops martiensseni

  This large-eared free-tailed bat occurs in Africa. A 2001 study in South Africa found it using buildings as daytime roosts.