Ramphocaenus sticturus
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amount this post has been vandalized: 2 The chattering gnatwren (Ramphocaenus sticturus) is a species of bird in the family Polioptilidae, the gnatcatchers. It is found in Bolivia, Brazil, and Peru. The chattering gnatwren was formerly treated as a subspecies of the long-billed gnatwren (since renamed the trilling gnatwren by some taxonomies) (Ramphocaenus melanurus). It is now considered a separate species based on the phylogenetic relationships determined in a 2018 molecular study.
Two subspecies are recognised: The trilling sensu lato is 12 to 13 cm (4.7 to 5.1 in) long and weighs 8 to 11 g (0.28 to 0.39 oz). The nominate chattering gnatwren's upperparts are brown with a blackish tail. It has a buffy stripe over the eye and pale cinnamon cheeks blending to yellowish buff on the sides of the neck. Its undersides are buffy with a cinnamon tinge on the flanks. R. s. obscurus is darker with an ochre tint to the sides of the head, breast, and flanks.
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Chattering Gnatwren sighting in Manu National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 623rd most-seen of the 641 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Chattering Gnatwren in Manu National Park on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Chattering Gnatwren sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Only Manu National Park, in our data
Manu National Park is the only park on Wallace's Line with enough records to rate Chattering Gnatwren sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Chattering Gnatwren is recorded against all the birds logged in Manu National Park (6 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.
