Estrilda perreini
Silhouette: Ferran Sayol · PhyloPic
In 3 days ~30% in a week ~60%
The grey waxbill or black-tailed waxbill (Glaucestrilda perreini) is a common species of estrildid finch found in wetter land of Southern Africa. It has an estimated global extent of occurrence of 670,000 km2 (260,000 sq mi).
Two subspecies are recognised: The status of the species is evaluated as Least Concern. Grey waxbill - Species text in The Atlas of Southern African Birds. BirdLife Species Factsheet Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | uMkhuze Game Reserve | 🇿🇦 South Africa | |
| 2 | iSimangaliso Wetland Park | 🇿🇦 South Africa | |
| 3 | Hluhluwe-Imfolozi Park | 🇿🇦 South Africa |
With luck
About 10% of wildlife watchers report a Black-tailed Grey Waxbill sighting in iSimangaliso Wetland Park on a given day, based on 218 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 121st most-seen of the 351 birds 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.
July–August and November–December
In those months about 20% of wildlife watchers report a Black-tailed Grey Waxbill in iSimangaliso Wetland Park on a given day, against under 5% in June, the lowest month.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Black-tailed Grey Waxbill sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 3
Of the 3 parks where we can rate Black-tailed Grey Waxbill sightings, iSimangaliso Wetland Park ranks 2nd at about 10%. The best odds are in uMkhuze Game Reserve (South Africa, about 20%).
Same family: Estrildidae
The closest relatives of the Black-tailed Grey Waxbill that you can see in iSimangaliso Wetland Park (family Estrildidae, Waxbills and Allies) are Bronze Mannikin (about 10%), Pink-throated Twinspot (about 10%) and Green-backed Twinspot (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-tailed Grey Waxbill is recorded against all the birds logged in iSimangaliso Wetland Park (218 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.
