Leptasthenura aegithaloides
Silhouette: Sheatherius · PhyloPic
In 3 days ~50% in a week ~80%
The plain-mantled tit-spinetail (Leptasthenura aegithaloides) is a small passerine bird of South America in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Argentina, Bolivia, Chile, and Peru.
The plain-mantled tit-spinetail's taxonomy is unsettled. The South American Classification Committee of the American Ornithological Society, the International Ornithological Committee, and the Clements taxonomy assign it these four subspecies:
This article follows the one-species, four-subspecies model. The plain-mantled tit-spinetail is 15 to 17 cm (5.9 to 6.7 in) long and weighs 7.5 to 11 g (0.26 to 0.39 oz). It is a small, slender, long-tailed furnariid with a short bill. The sexes... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Península Valdés | 🇦🇷 Argentina | |
| 2 | Nahuel Huapi National Park | 🇦🇷 Argentina | |
| 3 | Vicente Pérez Rosales National Park | 🇨🇱 Chile | |
| 4 | Lauca National Park | 🇨🇱 Chile | |
| 5 | Torres del Paine National Park | 🇨🇱 Chile |
Possible
About 20% of wildlife watchers report a Plain-mantled Tit-Spinetail sighting in Nahuel Huapi National Park on a given day, based on 165 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 38th most-seen of the 111 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
April
In that month about 40% of wildlife watchers report a Plain-mantled Tit-Spinetail in Nahuel Huapi National Park on a given day, against about 10% in August–September and December–March, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Plain-mantled Tit-Spinetail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 5 parks where we can rate Plain-mantled Tit-Spinetail sightings, Nahuel Huapi National Park ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Península Valdés (Argentina, about 20%).
Same family: Furnariidae
The closest relatives of the Plain-mantled Tit-Spinetail that you can see in Nahuel Huapi National Park (family Furnariidae, Ovenbirds and Woodcreepers) are Dark-bellied Cinclodes (about 50%), Thorn-tailed Rayadito (about 40%) and White-throated Treerunner (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Plain-mantled Tit-Spinetail is recorded against all the birds logged in Nahuel Huapi National Park (165 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.
