Boat-billed Heron

Boat-billed Heron

Cochlearius cochlearius

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
<5% · Rare
overall probability at Bastimentos Island National Marine Park
35 Verified records at Bastimentos Island National Marine Park
March Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The boat-billed heron (Cochlearius cochlearius), colloquially known as the boatbill, is an atypical member of the heron family. It is the only member of the genus Cochlearius and was formerly placed in a monotypic family, the Cochleariidae. It lives in mangrove swamps from Mexico south to Peru and Brazil. It is a nocturnal bird, and breeds semi-colonially in mangrove trees, laying two to four bluish-white eggs in a twig nest. Wikipedia →

<5% of wildlife watchers report a Boat-billed Heron sighting in Bastimentos Island National Marine Park, based on 35 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

<5
Jan
<5
Feb
5–10
Mar
<5
Apr
<5
May
<5
Jun
<5
Jul
<5
Aug
<5
Sep
<5
Oct
<5
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Parque Estadual Encontro das Águas 🇧🇷 Brazil
20–30%
2 Palo Verde National Park 🇨🇷 Costa Rica
20–30%
3 Tortuguero National Park 🇨🇷 Costa Rica
20–30%
4 Celestún Biosphere Reserve 🇲🇽 Mexico
10–20%
5 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
10–20%
6 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
10–20%
7 Yasuní National Park 🇪🇨 Ecuador
10–20%
8 Soberanía National Park 🇵🇦 Panama
5–10%
9 Cahuita National Park 🇨🇷 Costa Rica
5–10%
10 Las Baulas Marine National Park 🇨🇷 Costa Rica
5–10%
11 Darién National Park 🇵🇦 Panama
5–10%
12 Piedras Blancas National Park 🇨🇷 Costa Rica
5–10%
13 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
<5%
14 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
<5%
15 Montes Azules Biosphere Reserve 🇲🇽 Mexico
<5%
16 Anavilhanas National Park 🇧🇷 Brazil
<5%
17 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
<5%
18 Manuel Antonio National Park 🇨🇷 Costa Rica
<5%
19 Santa Rosa National Park 🇨🇷 Costa Rica
<5%
20 Corcovado National Park 🇨🇷 Costa Rica
<5%
21 Caroni Swamp 🇹🇹 Trinidad and Tobago
<5%
22 Pico Bonito National Park 🇭🇳 Honduras
<5%
23 Calakmul Biosphere Reserve 🇲🇽 Mexico
<5%
24 Serra dos Órgãos National Park 🇧🇷 Brazil
<5%
25 Ostional Wildlife Refuge 🇨🇷 Costa Rica
<5%
26 Braulio Carrillo National Park 🇨🇷 Costa Rica
<5%
27 Tambopata National Reserve 🇵🇪 Peru
<5%
28 Madidi National Park 🇧🇴 Bolivia
<5%
29 Carara National Park 🇨🇷 Costa Rica
<5%
30 Arrecifes de Cozumel National Park 🇲🇽 Mexico
<5%
31 Bastimentos Island National Marine Park 🇵🇦 Panama
<5%
32 Arenal Volcano National Park 🇨🇷 Costa Rica
<5%
33 La Amistad International Park (Panama) 🇵🇦 Panama
<5%
34 Manu National Park 🇵🇪 Peru
<5%
35 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
<5%
36 Marino Ballena National Park 🇨🇷 Costa Rica
<5%
37 Sierra de la Macarena National Park 🇨🇴 Colombia
<5%
38 Tenorio Volcano National Park 🇨🇷 Costa Rica
<5%
39 Chirripó National Park 🇨🇷 Costa Rica
Insufficient data
40 Cañón del Sumidero National Park 🇲🇽 Mexico
Insufficient data
41 Tijuca National Park 🇧🇷 Brazil
Insufficient data
42 Noel Kempff Mercado National Park 🇧🇴 Bolivia
Insufficient data
43 Biotopo Cerro Cahuí 🇬🇹 Guatemala
Insufficient data
44 San Lorenzo Protected Forest 🇵🇦 Panama
Insufficient data
45 Amacayacu National Natural Park 🇨🇴 Colombia
Insufficient data
46 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
47 Cordillera Azul National Park 🇵🇪 Peru
Insufficient data
48 Cerro Azul Meámbar National Park 🇭🇳 Honduras
Insufficient data
49 Chapada dos Guimarães National Park 🇧🇷 Brazil
Insufficient data
50 Chagres National Park 🇵🇦 Panama
Insufficient data
51 Chingaza National Natural Park 🇨🇴 Colombia
Insufficient data
52 Iguaçu National Park 🇧🇷 Brazil
Insufficient data
53 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
Insufficient data
54 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
Insufficient data

Quick answers

What are the chances of seeing a Boat-billed Heron in Bastimentos Island National Marine Park?

About 1% of wildlife watchers report a Boat-billed Heron sighting in Bastimentos Island National Marine Park, based on 35 days of visitor records from GBIF citizen-science data.

When is the best time to see Boat-billed Heron in Bastimentos Island National Marine Park?

March has the highest sighting rate for Boat-billed Heron in Bastimentos Island National Marine Park in our monthly data.

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