Dendrocincla homochroa
Silhouette: Sheatherius · PhyloPic
In 3 days ~60% in a week ~90%
The ruddy woodcreeper (Dendrocincla homochroa) is a passerine bird in subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found from southern Mexico to northern Colombia and extreme northern Venezuela. The ruddy woodcreeper has these four subspecies:
The ruddy woodcreeper is 17.5 to 20.5 cm (6.9 to 8.1 in) long. Males weigh 34 to 45 g (1.2 to 1.6 oz) and females 27 to 39 g (0.95 to 1.4 oz). The species is a medium-sized member of its genus, with a straight bill, a short tail, and a large head with a ruffled nape. The sexes have the same plumage. The nominate subspecies has dark rufous to chestnut-brown upperparts with a brighter reddish crown. Its wings, uppertail coverts, and tail are rufous chestnut. The tips of its primaries are dusky. It has grayish lores and eyering and a cinnamon-buff to tawny-ochraceous throat. Its underparts are rufous brown with a paler belly and... Wikipedia →
Possible
About 30% of wildlife watchers report a Ruddy Woodcreeper sighting in Calakmul Biosphere Reserve on a given day, based on 216 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 49th most-seen of the 271 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
January
In that month about 40% of wildlife watchers report a Ruddy Woodcreeper in Calakmul Biosphere Reserve on a given day, against about 10% in May and September–November, the lowest months. That is one of Calakmul Biosphere Reserve's driest months, with about 30 mm of rain against 130 mm in June.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Ruddy Woodcreeper sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 25 parks where we can rate Ruddy Woodcreeper sightings, Calakmul Biosphere Reserve has the highest daily chance: about 30%. Next come Rincón de la Vieja National Park (Costa Rica, about 20%) and Tikal National Park (Guatemala, about 20%).
GBIF citizen-science records
It is estimated from how often the Ruddy Woodcreeper is recorded against all the birds logged in Calakmul Biosphere Reserve (216 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.
