Mantled Howler Monkey

Where to see

Mantled Howler Monkey

Alouatta palliata

Ostional Wildlife Refuge leads · 28 parks ranked by real sighting rates

Parks Ranked

Share of wildlife watchers reporting a Mantled Howler Monkey during a day in the park, from citizen-science data (GBIF)

#ParkCountrySighting
1 Ostional Wildlife Refuge 🇨🇷 Costa Rica
~80%
2 Las Baulas Marine National Park 🇨🇷 Costa Rica
~80%
3 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
~70%
4 Palo Verde National Park 🇨🇷 Costa Rica
~70%
5 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
~70%
6 Tortuguero National Park 🇨🇷 Costa Rica
~70%
7 Manuel Antonio National Park 🇨🇷 Costa Rica
~70%
8 Soberanía National Park 🇵🇦 Panama
~60%
9 San Lorenzo Protected Forest 🇵🇦 Panama
~60%
10 Braulio Carrillo National Park 🇨🇷 Costa Rica
~60%
11 Coiba National Park 🇵🇦 Panama
~50%
12 Cahuita National Park 🇨🇷 Costa Rica
~50%
13 Marino Ballena National Park 🇨🇷 Costa Rica
~50%
14 Corcovado National Park 🇨🇷 Costa Rica
~50%
15 Santa Rosa National Park 🇨🇷 Costa Rica
~50%
16 Bastimentos Island National Marine Park 🇵🇦 Panama
~50%
17 Tenorio Volcano National Park 🇨🇷 Costa Rica
~40%
18 Arenal Volcano National Park 🇨🇷 Costa Rica
~40%
19 Rincón de la Vieja National Park 🇨🇷 Costa Rica
~40%
20 Carara National Park 🇨🇷 Costa Rica
~40%
21 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~30%
22 La Amistad International Park (Panama) 🇵🇦 Panama
~30%
23 Machalilla National Park 🇪🇨 Ecuador
~30%
24 Volcán Barú National Park 🇵🇦 Panama
~30%
25 Piedras Blancas National Park 🇨🇷 Costa Rica
~30%

Before you go

Which is the best park to see a Mantled Howler Monkey?

Ostional Wildlife Refuge

In Ostional Wildlife Refuge, Costa Rica, about 80% of wildlife watchers report a Mantled Howler Monkey sighting on a given day, the highest of the 28 parks where we can rate it, from GBIF citizen-science data.

When is the best time to see a Mantled Howler Monkey?

It depends on the park

In the top parks, the best months are January, April and June in Ostional Wildlife Refuge (about 90%), April–July, September and December–February in Las Baulas Marine National Park (about 80%) and January–February and July–August in Cabo Blanco Absolute Nature Reserve (about 80%), as the share of wildlife watchers who report a Mantled Howler Monkey on a given day. Each park's Mantled Howler Monkey page has the full month-by-month chart.