Dysithamnus striaticeps
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The streak-crowned antvireo (Dysithamnus striaticeps) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Costa Rica, Honduras, and Nicaragua. The streak-crowned antvireo is monotypic. It and the spot-crowned antvireo (D. puncticeps) are closely related and may form a superspecies.
The streak-crowned antvireo is 10 to 11 cm (3.9 to 4.3 in) long and weighs 15 to 17 g (0.53 to 0.60 oz). Adult males have a dark gray forehead, crown, and nape with heavy grayish white streaking. Their ear coverts are blackish. Their upperparts are grayish olive with a hidden white patch between the scapulars. Their flight feathers are dark grayish olive with wide buffy grayish edges; their wing coverts are blackish with white tips. Their tail is dark grayish olive with narrow white tips on the feathers. Their throat and breast are white with prominent dark streaks, their sides olive-gray, their belly whitish, and their undertail coverts whitish with a yellowish tinge. Adult females have a rufous crown and nape with dark spots. Their wing coverts are less black than the male's and their breast and... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 4 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 5 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica |
Rare
Under 5% of wildlife watchers report a Streak-crowned Antvireo sighting in Rincón de la Vieja National Park on a given day, based on 17 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 251st most-seen of the 341 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
May and October
In those months about 10% of wildlife watchers report a Streak-crowned Antvireo in Rincón de la Vieja National Park on a given day, against under 5% in June–September and November–April, the lowest months. Those are among Rincón de la Vieja National Park's wettest months, with about 300 mm of rain a month against 45 mm in February.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Streak-crowned Antvireo sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
4th of 5
Of the 5 parks where we can rate Streak-crowned Antvireo sightings, Rincón de la Vieja National Park ranks 4th at under 5%. The best odds are in Arenal Volcano National Park (Costa Rica, about 10%), Tenorio Volcano National Park (Costa Rica, about 10%) and Braulio Carrillo National Park (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Streak-crowned Antvireo is recorded against all the birds logged in Rincón de la Vieja National Park (17 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.
