Leptasthenura aegithaloides
Silhouette: Sheatherius · PhyloPic
In 3 days ~60% 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 Península Valdés on a given day, based on 114 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 30th most-seen of the 96 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 80%, if each day is a fresh chance.
January–February, September and November
In those months about 30% of wildlife watchers report a Plain-mantled Tit-Spinetail in Península Valdés on a given day, against about 10% in October, the lowest month. June and July have too few records to rate.
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.
Yes
Of the 5 parks where we can rate Plain-mantled Tit-Spinetail sightings, Península Valdés has the highest daily chance: about 20%. Next come Nahuel Huapi National Park (Argentina, about 20%) and Vicente Pérez Rosales National Park (Chile, about 10%).
Same family: Furnariidae
The closest relatives of the Plain-mantled Tit-Spinetail that you can see in Península Valdés (family Furnariidae, Ovenbirds and Woodcreepers) are Sharp-billed Canastero (about 30%), Common Miner (about 20%) and Scale-throated Earthcreeper (about 20%), 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 Península Valdés (114 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.
