White-headed Marsh Tyrant

White-headed Marsh Tyrant

Arundinicola leucocephala

Silhouette: Emily Willoughby · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Amacayacu National Natural Park
53 Verified sightings at Amacayacu National Natural Park From 2019 to 2026
1,421 Verified sightings across all 16 parks From 2019 to 2026
August Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the White-headed Marsh Tyrant

The white-headed marsh tyrant (Arundinicola leucocephala), commonly referred to as the marsh tyrant, is a small passerine bird belonging to the tyrant flycatcher family. It is the sole species within the genus Arundinicola. This diurnal bird, exclusively found in South America, exhibits sexual dimorphism and is known to have monogamous mating behavior.

Male marsh tyrants possess a distinct appearance, featuring a white head with a small crest, a white throat, and a contrasting black body. They have dark brown irises, black legs, and a bill that consists of a black upper mandible and a yellow lower mandible. Typically, they weigh around 13 grams and measure approximately 13 centimeters in length.

Female marsh tyrants have a white forecrown and throat, along with a greyish-brown breast and flanks. Their wings and tail are also greyish-brown, although they are more uniform and significantly darker. The average weight of a female ranges from 12 to 12.5 grams, and she generally measures 13 centimeters in length. Females and juveniles have similar appearances.

The white-headed marsh tyrant is a monotypic species within the Tyrannidae... Wikipedia →

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
~30%
2 Caroni Swamp 🇹🇹 Trinidad and Tobago
~10%
3 Parque Estadual Encontro das Águas 🇧🇷 Brazil
~10%
4 Amacayacu National Natural Park 🇨🇴 Colombia
~10%
5 Sierra de la Macarena National Park 🇨🇴 Colombia
<5%
6 Chapada Diamantina National Park 🇧🇷 Brazil
<5%
7 Serra dos Órgãos National Park 🇧🇷 Brazil
<5%
8 Henri Pittier National Park 🇻🇪 Venezuela
<5%
9 Itatiaia National Park 🇧🇷 Brazil
<5%
10 Iguaçu National Park 🇧🇷 Brazil
<5%
11 Tayrona National Natural Park 🇨🇴 Colombia
Insufficient data
12 Iguazú National Park 🇦🇷 Argentina
Insufficient data
13 Emas National Park 🇧🇷 Brazil
Insufficient data
14 Canaima National Park 🇻🇪 Venezuela
Insufficient data
15 El Impenetrable National Park 🇦🇷 Argentina
Insufficient data
16 Serra da Canastra National Park 🇧🇷 Brazil
Insufficient data

Quick answers

What are the chances of seeing a White-headed Marsh Tyrant in Amacayacu National Natural Park?

About 10% of wildlife watchers report a White-headed Marsh Tyrant sighting in Amacayacu National Natural Park, based on 53 verified sightings from GBIF citizen-science data.

When is the best time to see White-headed Marsh Tyrant in Amacayacu National Natural Park?

August has the highest sighting rate for White-headed Marsh Tyrant in Amacayacu National Natural Park in our monthly data.

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