Classification
Within iNaturalist.org

All Names

  • Scientific Names
    • Hypsignathus monstrosus
  • English
    • Big-lipped Bat
    • Hammer-headed Fruit Bat
  • German
    • Hammerkopf-Flughund

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Recent observations

Photos / Sounds

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

jakob

Date

September 17, 2014 10:22 AM CEST

Place

Abidjan (Google, OSM)

Description

Observation courtesy of Souleymane Konaté, Université Nangui Abrogoua

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

natalie

Date

February 25, 2009

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

stephencsmith

Date

March 17, 2012 10:51 AM HST

Description

by Stephen C. Smith -- Malabo, Equatorial Guinea -- March 17, 2012

Photos / Sounds

No photos or sounds

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

congonaturalist

Date

November 20, 2015 05:59 PM CET

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

photosafari

Date

September 5, 2013

Place

Odzala (Google, OSM)

Description

A group hanging in a tall tree.

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

lakewalker

Date

January 29, 2015 12:41 PM HST

Description

Seen in Entebbe Botanical Gardens Uganda

Photos / Sounds

No photos or sounds

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

ibat

Date

December 7, 2014

Description

we only heard them in the late evening and he came back in the morning around 3 am for more love songs, only saw the eye shine

Photos / Sounds

No photos or sounds

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

jimbo

Date

November 9, 2011

Description

typical "mating call" several times during the early night of 9-10 November 2011

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

irorotanshi

Date

June 20, 2011

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

jackb

Date

July 10, 1972

Description

Hypsignathus feeding on large figs (Ficus) at night, one of two main foods during breeding season. Figs are spotty and ephemeral foods for these bats. Their regular staple that is traplines are several species of Anthocleista. Photo taken at fig across river from lek in August 1972.

Photos / Sounds

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What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

jackb

Date

June 30, 1974

Description

Male hanging from his display perch on lek, flapping wings, and calling during peak mating season July 1971. Male is performing "staccato buzz", a rapid modulation of honking call performed to females when they hover near the male. Female can barely be seen on right of photo hovering to this male. Females visit multiple males (indicated by sequence of staccato buzzes along lek) and then select one for mating. Female ends copulation with loud squeals so matings are easily counted.

Photos / Sounds

Square

What

Hammer-headed Fruit Bat Hypsignathus monstrosus

Observer

jackb

Date

July 13, 1974

Description

Adult female carrying newborn offspring, netted with canopy net while visiting lek at peak of season in July 1971. Likely evidence for post-partum oestrus in this species.

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Description from Wikipedia

The Hammer-headed Bat (Hypsignathus monstrosus), also known as the Big-lipped Bat, is a megabat widely distributed in equatorial Africa. This large bat is found in riverine forests, mangroves, swamps, and palm forests at elevations less than 1800 meters.

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Conservation Summary

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