Myrmecia esuriens
In 3 days ~30% in a week ~60%
Myrmecia esuriens, also known as Tasmanian inchman, is a species of bulldog ant native to Tasmania. The largest size of this bull ant species is reached by the queen, about 22 to 24 mm (0.87 to 0.94 in) long. Males ("drones") grow to 16 mm (0.63 in), and the worker ants average 14 to 18 mm (0.55 to 0.71 in) long. Within its genus, M. esuriens is a medium-sized species, as sizes for Myrmecia range from 6 mm (0.24 in) to more than 30 mm (1 in).
The main body of the ant is black with a single segment of the abdomen, the postpetiole, coloured an orange-red. The mandibles, antennae, and legs of the ants are also orange-red. The hair on the ant is yellow, and is short on the head, thorax, and legs and longer on the gaster. No hair is present on the scapes.
The mandibles are long and straight, and of the 11 teeth present, the third, fifth, seventh, and ninth are wider and longer than the other seven. The Tasmanian inchman has good eyesight, useful outside of the nest for defence and foraging.
Unusually for ants, the queens are apterous (i.e., wingless), like workers, thus these queens are called ergatoid (i.e., worker-like) to be distinct from alate queens that have... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cradle Mountain-Lake St Clair National Park | 🇦🇺 Australia |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Tasmanian Inchman Ant sighting in Cradle Mountain-Lake St Clair National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 17th most-seen of the 20 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
April
In that month about 30% of wildlife watchers report a Tasmanian Inchman Ant in Cradle Mountain-Lake St Clair National Park on a given day, against under 5% in February, May–October and December, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Tasmanian Inchman Ant sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Cradle Mountain-Lake St Clair National Park, in our data
Cradle Mountain-Lake St Clair National Park is the only park on Wallace's Line with enough records to rate Tasmanian Inchman Ant sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Tasmanian Inchman Ant is recorded against all the insects logged in Cradle Mountain-Lake St Clair National Park (5 verified sightings from 2019 to 2026), 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.
