Xiphocolaptes major
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The great rufous woodcreeper (Xiphocolaptes major) is a species of bird in the subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found in Argentina, Bolivia, Brazil, and Paraguay. The great rufous woodcreeper has these four subspecies:
It is heavy-bodied with a long, heavy, somewhat decurved bill. It is 27 to 34 cm (11 to 13 in) long. Males weigh 120 to 150 g (4.2 to 5.3 oz) and females 120 to 162 g (4.2 to 5.7 oz). The sexes have the same plumage. Adults of the nominate subspecies X. m. major are almost entirely bright rufous-cinnamon. Their crown is slightly darker, their tail more chestnut, and their flight feathers reddish brown with dusky tips on the primaries. Their lores are blackish, their throat pale cinnamon with whitish buff streaks, and their underparts cinnamon with some buffy streaks on the breast and dusky brownish bars on the belly. Their iris is dark brown, rich red-brown, or... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil |
Rare
Under 5% of wildlife watchers report a Great Rufous Woodcreeper sighting in Parque Estadual Encontro das Águas on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 251st most-seen of the 308 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Great Rufous Woodcreeper in Parque Estadual Encontro das Águas on a given day, so our monthly data shows no clear season. January to April have too few records to rate.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Great Rufous Woodcreeper 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 2
Of the 2 parks where we can rate Great Rufous Woodcreeper sightings, Parque Estadual Encontro das Águas ranks 2nd at under 5%. The best odds are in El Impenetrable National Park (Argentina, about 40%).
Same family: Furnariidae
The closest relatives of the Great Rufous Woodcreeper that you can see in Parque Estadual Encontro das Águas (family Furnariidae, Ovenbirds and Woodcreepers) are Pale-legged Hornero (about 50%), Yellow-chinned Spinetail (about 50%) and Rufous Hornero (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Great Rufous Woodcreeper is recorded against all the birds logged in Parque Estadual Encontro das Águas (15 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.
