Chicken Snake

Chicken Snake

Spilotes pullatus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Tikal National Park
1 Verified sightings at Tikal National Park From 2019 to 2026
322 Verified sightings across all 52 parks From 2019 to 2026
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Chicken Snake

Spilotes pullatus, commonly known as the chicken snake, tropical chicken snake, yellow rat snake, or tiger rat snake is a species of large nonvenomous colubrid snake endemic to the Neotropics. Including the nominotypical subspecies, the following five subspecies are recognized:

S. p. pullatus (Linnaeus, 1758) S. p. anomalepis Bocourt, 1888 S. p. argusiformis Amaral, 1929 S. p. maculatus Amaral, 1929 S. p. mexicanus (Laurenti, 1768) It is found in southern Mexico, Central America, northern and central South America, and Trinidad and Tobago in the Caribbean.

Adults may attain a maximum total length of 2.7 m (8.9 ft), with the average length ranging from 1.5 to 2 m (4.9 to 6.6 ft). Dorsally, S. pullatus is black with yellow spots which may form crossbands. The tip of the snout is yellow. The head shields may be mostly yellow, or mostly black, or crossbanded with a combination of yellow and black, but the sutures between the shields are always black. Ventrally, it is yellow with irregular black crossbands.

The body is relatively slender and somewhat laterally compressed. The head is distinct from the neck. The eye... Wikipedia →

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 Daily sighting probability
1 Chapada Diamantina National Park 🇧🇷 Brazil
~20%
2 Iguaçu National Park 🇧🇷 Brazil
~20%
3 Corcovado National Park 🇨🇷 Costa Rica
~20%
4 Bastimentos Island National Marine Park 🇵🇦 Panama
~20%
5 Iguazú National Park 🇦🇷 Argentina
~20%
6 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~10%
7 Calakmul Biosphere Reserve 🇲🇽 Mexico
~10%
8 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
~10%
9 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
~10%
10 Montes Azules Biosphere Reserve 🇲🇽 Mexico
~10%
11 La Amistad International Park (Panama) 🇵🇦 Panama
~10%
12 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
~10%
13 Tortuguero National Park 🇨🇷 Costa Rica
~10%
14 Arenal Volcano National Park 🇨🇷 Costa Rica
~10%
15 Manuel Antonio National Park 🇨🇷 Costa Rica
~10%
16 Braulio Carrillo National Park 🇨🇷 Costa Rica
~10%
17 Chagres National Park 🇵🇦 Panama
~10%
18 Soberanía National Park 🇵🇦 Panama
<5%
19 Pico Bonito National Park 🇭🇳 Honduras
Insufficient data
20 Utría National Natural Park 🇨🇴 Colombia
Insufficient data
21 Chapada dos Guimarães National Park 🇧🇷 Brazil
Insufficient data
22 Main Ridge Forest Reserve 🇹🇹 Trinidad and Tobago
Insufficient data
23 Anavilhanas National Park 🇧🇷 Brazil
Insufficient data
24 Cusuco National Park 🇭🇳 Honduras
Insufficient data
25 Sierra de la Macarena National Park 🇨🇴 Colombia
Insufficient data
26 Tayrona National Natural Park 🇨🇴 Colombia
Insufficient data
27 Serra dos Órgãos National Park 🇧🇷 Brazil
Insufficient data
28 Itatiaia National Park 🇧🇷 Brazil
Insufficient data
29 Yasuní National Park 🇪🇨 Ecuador
Insufficient data
30 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
Insufficient data
31 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
Insufficient data
32 Serra da Canastra National Park 🇧🇷 Brazil
Insufficient data
33 Biotopo Cerro Cahuí 🇬🇹 Guatemala
Insufficient data
34 Marino Ballena National Park 🇨🇷 Costa Rica
Insufficient data
35 Celestún Biosphere Reserve 🇲🇽 Mexico
Insufficient data
36 Palo Verde National Park 🇨🇷 Costa Rica
Insufficient data
37 Darién National Park 🇵🇦 Panama
Insufficient data
38 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
Insufficient data
39 Tenorio Volcano National Park 🇨🇷 Costa Rica
Insufficient data
40 Santa Rosa National Park 🇨🇷 Costa Rica
Insufficient data
41 Piedras Blancas National Park 🇨🇷 Costa Rica
Insufficient data
42 Rincón de la Vieja National Park 🇨🇷 Costa Rica
Insufficient data
43 Lago de Yojoa 🇭🇳 Honduras
Insufficient data
44 Parque Estadual Encontro das Águas 🇧🇷 Brazil
Insufficient data
45 Tikal National Park 🇬🇹 Guatemala
Insufficient data
46 Amacayacu National Natural Park 🇨🇴 Colombia
Insufficient data
47 Farallones de Cali National Natural Park 🇨🇴 Colombia
Insufficient data
48 Carara National Park 🇨🇷 Costa Rica
Insufficient data
49 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
50 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
Insufficient data
51 Cañón del Sumidero National Park 🇲🇽 Mexico
Insufficient data
52 Tijuca National Park 🇧🇷 Brazil
Insufficient data
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