Alouatta (Howler Monkeys) — Wallace's Line

Species in this group

VU

Alouatta palliata

Daily sighting probability ~80% · Very likely

NT

Alouatta caraya

Daily sighting probability ~70% · Very likely

LC

Alouatta seniculus

Daily sighting probability ~70% · Very likely

LC

Alouatta macconnelli

Daily sighting probability ~60% · Likely

EN

Alouatta pigra

Daily sighting probability ~60% · Likely

NT

Alouatta sara

Daily sighting probability ~20% · Possible

VU

Alouatta guariba

Daily sighting probability ~10% · With luck

Daily sighting probability by month

Probability-weighted average across the group's species

~50%

Jan

~50%

Feb

~50%

Mar

~50%

Apr

~50%

May

~50%

Jun

~50%

Jul

~50%

Aug

~50%

Sep

~50%

Oct

~40%

Nov

~50%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Howler Monkeys

Warmer areas are where this group is recorded most often. Shaded: the known ranges of its 8 species, darker where more of them overlap (Mammal Diversity Database, Marsh et al. 2022). Our parks Our cities In captivity: 83 zoos & centres

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Ostional Wildlife Refuge	🇨🇷 Costa Rica	1 of 7	~80%
	Mantled Howler Monkey			~80%
2	Las Baulas Marine National Park	🇨🇷 Costa Rica	1 of 7	~80%
	Mantled Howler Monkey			~80%
3	Parque Estadual Encontro das Águas	🇧🇷 Brazil	1 of 7	~70%
	Black Howler			~70%
4	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	1 of 7	~70%
	Mantled Howler Monkey			~70%
5	Tayrona National Natural Park	🇨🇴 Colombia	1 of 7	~70%
	Colombian Red Howler Monkey			~70%
6	Palo Verde National Park	🇨🇷 Costa Rica	1 of 7	~70%
	Mantled Howler Monkey			~70%
7	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	1 of 7	~70%
	Mantled Howler Monkey			~70%
8	Tortuguero National Park	🇨🇷 Costa Rica	1 of 7	~70%
	Mantled Howler Monkey			~70%
9	Manuel Antonio National Park	🇨🇷 Costa Rica	1 of 7	~70%
	Mantled Howler Monkey			~70%
10	Soberanía National Park	🇵🇦 Panama	1 of 7	~60%
	Mantled Howler Monkey			~60%
11	Brownsberg Nature Park	🇸🇷 Suriname	1 of 7	~60%
	Guianan Red Howler Monkey			~60%
12	Calakmul Biosphere Reserve	🇲🇽 Mexico	1 of 7	~60%
	Mexican Black Howler Monkey			~60%
13	San Lorenzo Protected Forest	🇵🇦 Panama	1 of 7	~60%
	Mantled Howler Monkey			~60%
14	Tikal National Park	🇬🇹 Guatemala	1 of 7	~60%
	Mexican Black Howler Monkey			~60%
15	Braulio Carrillo National Park	🇨🇷 Costa Rica	1 of 7	~60%
	Mantled Howler Monkey			~60%
16	Coiba National Park	🇵🇦 Panama	1 of 7	~50%
	Mantled Howler Monkey			~50%
17	Cahuita National Park	🇨🇷 Costa Rica	1 of 7	~50%
	Mantled Howler Monkey			~50%
18	Sierra de la Macarena National Park	🇨🇴 Colombia	1 of 7	~50%
	Colombian Red Howler Monkey			~50%
19	Marino Ballena National Park	🇨🇷 Costa Rica	1 of 7	~50%
	Mantled Howler Monkey			~50%
20	Corcovado National Park	🇨🇷 Costa Rica	1 of 7	~50%
	Mantled Howler Monkey			~50%
21	Santa Rosa National Park	🇨🇷 Costa Rica	1 of 7	~50%
	Mantled Howler Monkey			~50%
22	Bastimentos Island National Marine Park	🇵🇦 Panama	1 of 7	~50%
	Mantled Howler Monkey			~50%
23	Montes Azules Biosphere Reserve	🇲🇽 Mexico	1 of 7	~50%
	Mexican Black Howler Monkey			~50%
24	Cuyabeno Wildlife Reserve	🇪🇨 Ecuador	1 of 7	~50%
	Colombian Red Howler Monkey			~50%
25	Yasuní National Park	🇪🇨 Ecuador	1 of 7	~50%
	Colombian Red Howler Monkey			~50%
26	El Impenetrable National Park	🇦🇷 Argentina	1 of 7	~40%
	Black Howler			~40%
27	Tenorio Volcano National Park	🇨🇷 Costa Rica	1 of 7	~40%
	Mantled Howler Monkey			~40%
28	Arenal Volcano National Park	🇨🇷 Costa Rica	1 of 7	~40%
	Mantled Howler Monkey			~40%
29	Rincón de la Vieja National Park	🇨🇷 Costa Rica	1 of 7	~40%
	Mantled Howler Monkey			~40%
30	Tambopata National Reserve	🇵🇪 Peru	2 of 7	~40%
	Bolivian Red Howler Monkey			~20%
	Colombian Red Howler Monkey			~20%
31	Carara National Park	🇨🇷 Costa Rica	1 of 7	~40%
	Mantled Howler Monkey			~40%
32	Iberá National Park	🇦🇷 Argentina	1 of 7	~40%
	Black Howler			~40%
33	Manu National Park	🇵🇪 Peru	2 of 7	~40%
	Bolivian Red Howler Monkey			~20%
	Colombian Red Howler Monkey			~20%
34	Cockscomb Basin Wildlife Sanctuary	🇧🇿 Belize	1 of 7	~30%
	Mexican Black Howler Monkey			~30%
35	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	1 of 7	~30%
	Mantled Howler Monkey			~30%
36	La Amistad International Park (Panama)	🇵🇦 Panama	1 of 7	~30%
	Mantled Howler Monkey			~30%
37	Machalilla National Park	🇪🇨 Ecuador	1 of 7	~30%
	Mantled Howler Monkey			~30%
38	Volcán Barú National Park	🇵🇦 Panama	1 of 7	~30%
	Mantled Howler Monkey			~30%
39	Piedras Blancas National Park	🇨🇷 Costa Rica	1 of 7	~30%
	Mantled Howler Monkey			~30%
40	Chagres National Park	🇵🇦 Panama	1 of 7	~30%
	Mantled Howler Monkey			~30%
41	Darién National Park	🇵🇦 Panama	1 of 7	~20%
	Mantled Howler Monkey			~20%
42	Parque Natural Metropolitano	🇵🇦 Panama	1 of 7	~20%
	Mantled Howler Monkey			~20%
43	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	1 of 7	~20%
	Mexican Black Howler Monkey			~20%
44	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	1 of 7	~10%
	Mantled Howler Monkey			~10%
45	Los Nevados National Natural Park	🇨🇴 Colombia	1 of 7	~10%
	Colombian Red Howler Monkey			~10%
46	Tijuca National Park	🇧🇷 Brazil	1 of 7	~10%
	Brown Howler Monkey			~10%
47	Farallones de Cali National Natural Park	🇨🇴 Colombia	1 of 7	~10%
	Mantled Howler Monkey			~10%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	São Paulo	🇧🇷 Brazil	1 of 7	~30%
	Brown Howler Monkey			~30%
2	Goiânia	🇧🇷 Brazil	1 of 7	~20%
	Black Howler			~20%

Zoos & Centres Where Found

#	Zoo / Centre	Country
1	National Zoological Park	🇺🇸 United States	In captivity
2	ZooParc de Beauval	🇫🇷 France	In captivity
3	Denver Zoo	🇺🇸 United States	In captivity
4	Tierpark Berlin	🇩🇪 Germany	In captivity
5	Dublin Zoo	🇮🇪 Ireland	In captivity
6	Cleveland Metroparks Zoo	🇺🇸 United States	In captivity
7	Dresden Zoo	🇩🇪 Germany	In captivity
8	Lisbon Oceanarium	🇵🇹 Portugal	In captivity
9	Parque das Aves	🇧🇷 Brazil	In captivity
10	Barcelona Zoo	🇪🇸 Spain	In captivity
11	Greensboro Science Center	🇺🇸 United States	In captivity
12	Belize Zoo	🇧🇿 Belize	In captivity
13	Zoo Miami	🇺🇸 United States	In captivity
14	Centro de Reeducación de los Monos Carayá	🇦🇷 Argentina	In captivity
15	Port Lympne Wild Animal Park	🇬🇧 United Kingdom	In captivity
16	Yumka'	🇲🇽 Mexico	In captivity
17	Zoológico de Brasília	🇧🇷 Brazil	In captivity
18	Parc zoologique de Montpellier	🇫🇷 France	In captivity
19	Omaha’s Henry Doorly Zoo and Aquarium	🇺🇸 United States	In captivity
20	Estación de Cría de Animales Silvestres (ECAS)	🇦🇷 Argentina	In captivity
21	Nanjing Hongshan Forest Zoo	🇨🇳 China	In captivity
22	Yorkshire Wildlife Park	🇬🇧 United Kingdom	In captivity
23	Banham Zoo	🇬🇧 United Kingdom	In captivity
24	Los Angeles Zoo	🇺🇸 United States	In captivity
25	Phoenix Zoo	🇺🇸 United States	In captivity
26	Jacksonville Zoo and Gardens	🇺🇸 United States	In captivity
27	Cape May County Park & Zoo	🇺🇸 United States	In captivity
28	Silesian Zoological Garden	🇵🇱 Poland	In captivity
29	Wildlife World Zoo	🇺🇸 United States	In captivity
30	São Paulo Zoo	🇧🇷 Brazil	In captivity
31	Parque Municipal Summit	🇵🇦 Panama	In captivity
32	Birmingham Zoo	🇺🇸 United States	In captivity
33	Xcaret	🇲🇽 Mexico	In captivity
34	Audubon Zoo	🇺🇸 United States	In captivity
35	Zoológico de San Juan de Aragón	🇲🇽 Mexico	In captivity
36	Zoológico de Goiânia	🇧🇷 Brazil	In captivity
37	Paignton Zoo	🇬🇧 United Kingdom	In captivity
38	Temaikén	🇦🇷 Argentina	In captivity
39	Gramado Zoo	🇧🇷 Brazil	In captivity
40	Night Safari	🇸🇬 Singapore	In captivity
41	Parque Zoobotânico Getúlio Vargas	🇧🇷 Brazil	In captivity
42	Singapore Zoo	🇸🇬 Singapore	In captivity
43	Wilhelma	🇩🇪 Germany	In captivity
44	Houston Zoo	🇺🇸 United States	In captivity
45	Zoo Opole	🇵🇱 Poland	In captivity
46	Senda Verde (Wildlife Sanctuary)	🇧🇴 Bolivia	In captivity
47	Jackson Zoo	🇺🇸 United States	In captivity
48	Zoológico Municipal de Cascavel	🇧🇷 Brazil	In captivity
49	Cologne Zoological Garden	🇩🇪 Germany	In captivity
50	Mesker Park Zoo and Botanic Garden	🇺🇸 United States	In captivity