Miniopterus orianae
Silhouette: T. Michael Keesey · PhyloPic
In 3 days ~10% in a week ~20%
The Australasian bent-wing bat (Miniopterus orianae) is a species of vesper bat in the family Miniopteridae. It is found in Australia and in Southeast Asia. The Australasian bent-wing bat was described as a new species in 1922 by British zoologist Oldfield Thomas.
The holotype had been collected on 9 July 1922 by Oriana F. Wilson, widow of Antarctic explorer Edward Adrian Wilson. Thomas named the species Miniopterus orianae. This species was once considered a subspecies of common bent-wing bat. It is now accepted that the Australasian bent-winged bat and the Eastern bent-winged bat are two distinct species.
It is known to harbor the blood parasite Polychromophilus melanipherus, though one study found that bats with the blood parasite did not appear to suffer deleterious effects such as anemia or low body weight. M. orianae bassanii only occurs in southwestern Victoria and southeastern South Australia.
M. orianae oceanensis occurs widely... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Melbourne | 🇦🇺 Australia |
Rare
Under 5% of wildlife watchers report an Australasian Bent-winged Bat sighting in Melbourne on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 20th most-seen of the 22 mammals we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report an Australasian Bent-winged Bat in Melbourne on a given day, so our monthly data shows no clear season.
Only Melbourne, in our data
Melbourne is the only city on Wallace's Line with enough records to rate Australasian Bent-winged Bat sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Australasian Bent-winged Bat is recorded against all the mammals logged in Melbourne (6 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
