Giant Wood-Rail

Giant Wood-Rail

Aramides ypecaha

Silhouette: Sheatherius · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~30% · Possible
at El Palmar National Park
131 Verified sightings at El Palmar National Park From 2019 to 2026
2,551 Verified sightings across all 3 parks From 2019 to 2026
February Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Giant Wood-Rail

The giant wood rail (Aramides ypecaha) is a species of bird in the subfamily Rallinae of the rail, crake, and coot family Rallidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. The giant wood rail is monotypic.

The giant wood rail is 41 to 45 cm (16 to 18 in) long, and possibly as long as 53 cm (21 in). Two females weighed 640 and 765 g (23 and 27 oz), And three males weighed 655–860 g (23.1–30.3 oz). The sexes are alike. Adults have a large mustard yellow bill, a red eye, and red legs and feet. Their face to their upper chest is bluish gray with a white chin. The back of their neck is rust red, their back olive, and their uppertail coverts and tail are black. Their flanks, breast, and belly are brownish pink. Juvenile plumage has not been described.

The giant wood rail is found in eastern Bolivia, east-central and southeastern Brazil, Paraguay, Uruguay, and northeastern Argentina. It is a bird of the lowlands, where it inhabits wet landscapes such as marshes, lightly wooded swamps, gallery forest, and fields and pastures near water and cover.

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Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Iberá National Park 🇦🇷 Argentina
~80%
2 El Palmar National Park 🇦🇷 Argentina
~30%
3 El Impenetrable National Park 🇦🇷 Argentina
~30%

Quick answers

What are the chances of seeing a Giant Wood-Rail in El Palmar National Park?

About 30% of wildlife watchers report a Giant Wood-Rail sighting in El Palmar National Park, based on 131 verified sightings from GBIF citizen-science data.

When is the best time to see Giant Wood-Rail in El Palmar National Park?

February has the highest sighting rate for Giant Wood-Rail in El Palmar National Park in our monthly data.

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