Costa Rican Warbler

Costa Rican Warbler

Basileuterus melanotis

Silhouette: Andy Wilson · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability <5% · Rare
at Arenal Volcano National Park
217 Verified sightings at Arenal Volcano National Park From 2019 to 2026
3,311 Verified sightings across all 12 parks From 2019 to 2026
December Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Costa Rican Warbler

The black-eared warbler or Costa Rican warbler (Basileuterus melanotis) is a species of bird in the family Parulidae, the New World warblers. It is found in Costa Rica and Panama. The black-eared warbler was formally described in 1868 with its current binomial Basileuterus melanotis. For much of the twentieth century it was treated as a subspecies of the three-striped warbler (M. tristriatus). It and other subspecies were recognized as full species based on studies published in 2012 and 2014.

The black-eared warbler is monotypic. The black-eared warbler is about 13 cm (5.1 in) long. The sexes have the same plumage. Adults have a buff-orange crown stripe, a long and wide black stripe below it, and a long pale grayish white supercilium with a buff tinge below that. Their lores and ear coverts are blackish and they have a pale buffy white arc under the eye. Their ear coverts have pale yellow bottom and rear edges. Their upperparts, wings, and tail are olive-gray. Their throat is whitish that becomes mostly pale olive-buff on the breast and a yellower olive-buff on the belly. The sides of their breast and their flanks have an olive-gray... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~20%
2 Chirripó National Park 🇨🇷 Costa Rica
<5%
3 Poás Volcano National Park 🇨🇷 Costa Rica
<5%
4 Arenal Volcano National Park 🇨🇷 Costa Rica
<5%
5 La Amistad International Park (Panama) 🇵🇦 Panama
<5%
6 Braulio Carrillo National Park 🇨🇷 Costa Rica
<5%
7 Volcán Barú National Park 🇵🇦 Panama
<5%
8 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
<5%
9 Rincón de la Vieja National Park 🇨🇷 Costa Rica
<5%
10 Irazú Volcano National Park 🇨🇷 Costa Rica
<5%
11 Los Quetzales National Park 🇨🇷 Costa Rica
<5%
12 Tenorio Volcano National Park 🇨🇷 Costa Rica
<5%

Quick answers

What are the chances of seeing a Costa Rican Warbler in Arenal Volcano National Park?

Under 5% of wildlife watchers report a Costa Rican Warbler sighting in Arenal Volcano National Park, based on 217 verified sightings from GBIF citizen-science data.

When is the best time to see Costa Rican Warbler in Arenal Volcano National Park?

December has the highest sighting rate for Costa Rican Warbler in Arenal Volcano National Park in our monthly data.

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