Black-billed Nightingale-Thrush

Black-billed Nightingale-Thrush

Catharus gracilirostris

Silhouette: Sharon Wegner-Larsen · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~40% · Likely
at Tapantí-Macizo de la Muerte National Park

In 3 days ~80% in a week >90%

4,850 Verified sightings at Tapantí-Macizo de la Muerte National Park From 2019 to 2026
11,244 In all 8 parks
March Best month
☀️ Diurnal When it's spotted

About the Black-billed Nightingale-Thrush

The black-billed nightingale-thrush (Catharus gracilirostris) is a species of bird in the family Turdidae, the thrushes and allies. It is found in Costa Rica and Panama. The black-billed nightingale-thrush was originally described in 1865 with its current binomial Catharus gracilirostris.

The black-billed nightingale's further taxonomy is unsettled. The Clements taxonomy recognizes two by including bensoni within accentor. This article follows the three-subspecies model. The black-billed nightingale-thrush is about 15 cm (5.9 in) long and weighs about 20 g (0.71 oz) The sexes have the same plumage. Adults of the nominate subspecies have a slate-gray forecrown, an olive-brown crown, and a slate-gray face. Their upperparts, wings, and the upper side of their tail are olive-brown. Their throat is whitish, the middle of their lower belly light gray to whitish, and the rest of their underparts slate-gray with an olivaceous... Wikipedia →

Sounds

Song0:37

Costa Rica · 2024

© Johan Chaves · XC891993 · CC BY-NC-SA 4.0

Call1:30

Costa Rica · 2019

© Odirlei Vieira da Fonseca · XC498300 · CC BY-NC-SA 4.0

Song0:42

Costa Rica · 2010

© Peter Boesman · XC274290 · CC BY-NC-ND 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Irazú Volcano National Park 🇨🇷 Costa Rica
~60%
2 Los Quetzales National Park 🇨🇷 Costa Rica
~50%
3 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
~40%
4 Volcán Barú National Park 🇵🇦 Panama
~20%
5 Poás Volcano National Park 🇨🇷 Costa Rica
~10%
6 La Amistad International Park (Panama) 🇵🇦 Panama
<5%
7 Chirripó National Park 🇨🇷 Costa Rica
<5%
8 Braulio Carrillo National Park 🇨🇷 Costa Rica
<5%

Before you go

What are the chances of seeing a Black-billed Nightingale-Thrush in Tapantí-Macizo de la Muerte National Park?

Likely

About 40% of wildlife watchers report a Black-billed Nightingale-Thrush sighting in Tapantí-Macizo de la Muerte National Park on a given day, based on 4,850 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 14th most-seen of the 467 birds we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see a Black-billed Nightingale-Thrush in Tapantí-Macizo de la Muerte National Park?

March and April

In those months about 50% of wildlife watchers report a Black-billed Nightingale-Thrush in Tapantí-Macizo de la Muerte National Park on a given day, against about 20% in October, the lowest month.

What time of day is best to see a Black-billed Nightingale-Thrush?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Black-billed Nightingale-Thrush sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Tapantí-Macizo de la Muerte National Park the best place to see a Black-billed Nightingale-Thrush?

3rd of 8

Of the 8 parks where we can rate Black-billed Nightingale-Thrush sightings, Tapantí-Macizo de la Muerte National Park ranks 3rd at about 40%. The best odds are in Irazú Volcano National Park (Costa Rica, about 60%) and Los Quetzales National Park (Costa Rica, about 50%). All parks ranked.

Which relatives of the Black-billed Nightingale-Thrush live in Tapantí-Macizo de la Muerte National Park?

Same genus: Catharus

The closest relatives of the Black-billed Nightingale-Thrush that you can see in Tapantí-Macizo de la Muerte National Park (genus Catharus, Brown Thrushes and Nightingale-Thrushes) are Ruddy-capped Nightingale-Thrush (about 10%), Swainson's Thrush (about 10%) and Orange-billed Nightingale-Thrush (about 10%), with each one's daily chance of a sighting.

Where does the Black-billed Nightingale-Thrush sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Black-billed Nightingale-Thrush is recorded against all the birds logged in Tapantí-Macizo de la Muerte National Park (4,850 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.

← Back to Tapantí-Macizo de la Muerte National Park