Ploceus pelzelni
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~30%
The slender-billed weaver (Ploceus pelzelni) is a species of bird in the weaver family, Ploceidae. It is sparsely distributed across equatorial Africa, namely along the shoreline of the Gulf of Guinea and Congo River and the Lake Victoria region.
Slender-billed Weaver (Ploceus pelzelni) videos at the Internet Bird Collection Slender-billed weaver - Species text in Weaver Watch. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Queen Elizabeth National Park | 🇺🇬 Uganda | |
| 2 | Virunga National Park | 🇨🇩 Democratic Republic of the Congo | |
| 3 | Murchison Falls National Park | 🇺🇬 Uganda | |
| 4 | Akagera National Park | 🇷🇼 Rwanda | |
| 5 | Lake Mburo National Park | 🇺🇬 Uganda | |
| 6 | Kibale National Park | 🇺🇬 Uganda | |
| 7 | Volcanoes National Park | 🇷🇼 Rwanda | |
| 8 | Nyungwe National Park | 🇷🇼 Rwanda | |
| 9 | Bwindi Impenetrable National Park | 🇺🇬 Uganda | |
| 10 | Serengeti National Park | 🇹🇿 Tanzania |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Brazzaville | 🇨🇬 Republic of the Congo | |
| 2 | Kigali | 🇷🇼 Rwanda | |
| 3 | Kampala | 🇺🇬 Uganda | |
| 4 | Accra | 🇬🇭 Ghana |
With luck
About 10% of wildlife watchers report a Slender-billed Weaver sighting in Lake Mburo National Park on a given day, based on 71 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 193rd most-seen of the 362 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
February–March, July–August and October
In those months about 10% of wildlife watchers report a Slender-billed Weaver in Lake Mburo National Park on a given day, against under 5% in April–June, September and November–January, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Slender-billed Weaver sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
5th of 10
Of the 10 parks where we can rate Slender-billed Weaver sightings, Lake Mburo National Park ranks 5th at about 10%. The best odds are in Queen Elizabeth National Park (Uganda, about 30%), Virunga National Park (Democratic Republic of the Congo, about 10%) and Murchison Falls National Park (Uganda, about 10%).
Same genus: Ploceus
The closest relatives of the Slender-billed Weaver that you can see in Lake Mburo National Park (genus Ploceus, Typical Weavers) are Village Weaver (about 40%), Lesser Masked-Weaver (about 30%) and Holub's Golden-Weaver (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Slender-billed Weaver is recorded against all the birds logged in Lake Mburo National Park (71 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.
