Giant Broad-headed Treefrog

Giant Broad-headed Treefrog

Osteocephalus taurinus

Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Madidi National Park
6 Verified sightings at Madidi National Park From 2019 to 2026
252 Verified sightings across all 10 parks From 2019 to 2026
December Best month highest sighting rate
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Giant Broad-headed Treefrog

The Manaus slender-legged tree frog (Osteocephalus taurinus), also known as the giant broad-headed tree frog, is a species of frog in the family Hylidae found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical dry forest, subtropical or tropical moist lowland forest, moist savanna, rivers, intermittent freshwater marshes, and canals and ditches. It is threatened by habitat loss. It is also reported to produce bufotenin.

The adult male frog measures 71 to 92 mm long in snout-vent length and the adult female 90 to 101 mm. The male frogs have warty skin and the female frogs have smooth skin. The skin of the frog's dorsum is light bronw to dark brown in color. Some frogs have a light brown line down the middle of the back. The back legs have dark brown transverse stripes. The iris of the eye is gold in color with black reticulation. The belly is cream to whitish in color.

This frog is arboreal and nocturnal. When the male frogs sing for the female frogs, they sit on short plants or in the water. The female frog lays 2000 eggs per clutch, laid on the surface of the... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Tambopata National Reserve 🇵🇪 Peru
~30%
2 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
~30%
3 Yasuní National Park 🇪🇨 Ecuador
~30%
4 Madidi National Park 🇧🇴 Bolivia
~20%
5 Amacayacu National Natural Park 🇨🇴 Colombia
~10%
6 Manu National Park 🇵🇪 Peru
~10%
7 Noel Kempff Mercado National Park 🇧🇴 Bolivia
Insufficient data
8 Amboró National Park 🇧🇴 Bolivia
Insufficient data
9 Anavilhanas National Park 🇧🇷 Brazil
Insufficient data
10 Sierra de la Macarena National Park 🇨🇴 Colombia
Insufficient data

Quick answers

What are the chances of seeing a Giant Broad-headed Treefrog in Madidi National Park?

About 20% of wildlife watchers report a Giant Broad-headed Treefrog sighting in Madidi National Park, based on 6 verified sightings from GBIF citizen-science data.

When is the best time to see Giant Broad-headed Treefrog in Madidi National Park?

December has the highest sighting rate for Giant Broad-headed Treefrog in Madidi National Park in our monthly data.

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