Chicken Snake

Chicken Snake

Spilotes pullatus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Calakmul Biosphere Reserve
11 Verified records at Calakmul Biosphere Reserve
August Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

Spilotes pullatus, commonly known as the chicken snake, tropical chicken snake, or yellow rat snake, is a species of large nonvenomous colubrid snake endemic to the Neotropics. Wikipedia →

10–20% of wildlife watchers report a Chicken Snake sighting in Calakmul Biosphere Reserve, based on 11 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

<5
Jan
20–30
Feb
10–20
Mar
<5
Apr
5–10
May
5–10
Jun
5–10
Jul
20–30
Aug
<5
Sep
<5
Oct
10–20
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 Chapada Diamantina National Park 🇧🇷 Brazil
10–20%
2 Iguaçu National Park 🇧🇷 Brazil
10–20%
3 Corcovado National Park 🇨🇷 Costa Rica
10–20%
4 Bastimentos Island National Marine Park 🇵🇦 Panama
10–20%
5 Iguazú National Park 🇦🇷 Argentina
10–20%
6 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
10–20%
7 Calakmul Biosphere Reserve 🇲🇽 Mexico
10–20%
8 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
10–20%
9 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
5–10%
10 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
5–10%
11 Montes Azules Biosphere Reserve 🇲🇽 Mexico
5–10%
12 La Amistad International Park (Panama) 🇵🇦 Panama
5–10%
13 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
5–10%
14 Tortuguero National Park 🇨🇷 Costa Rica
5–10%
15 Arenal Volcano National Park 🇨🇷 Costa Rica
5–10%
16 Manuel Antonio National Park 🇨🇷 Costa Rica
5–10%
17 Braulio Carrillo National Park 🇨🇷 Costa Rica
5–10%
18 Chagres National Park 🇵🇦 Panama
<5%
19 Soberanía National Park 🇵🇦 Panama
<5%
20 Pico Bonito National Park 🇭🇳 Honduras
Insufficient data
21 Utría National Natural Park 🇨🇴 Colombia
Insufficient data
22 Chapada dos Guimarães National Park 🇧🇷 Brazil
Insufficient data
23 Main Ridge Forest Reserve 🇹🇹 Trinidad and Tobago
Insufficient data
24 Anavilhanas National Park 🇧🇷 Brazil
Insufficient data
25 Cusuco National Park 🇭🇳 Honduras
Insufficient data
26 Sierra de la Macarena National Park 🇨🇴 Colombia
Insufficient data
27 Tayrona National Natural Park 🇨🇴 Colombia
Insufficient data
28 Serra dos Órgãos National Park 🇧🇷 Brazil
Insufficient data
29 Itatiaia National Park 🇧🇷 Brazil
Insufficient data
30 Yasuní National Park 🇪🇨 Ecuador
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 Amacayacu National Natural Park 🇨🇴 Colombia
Insufficient data
46 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
47 Farallones de Cali National Natural Park 🇨🇴 Colombia
Insufficient data
48 Carara National Park 🇨🇷 Costa Rica
Insufficient data
49 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
Insufficient data
50 Cañón del Sumidero National Park 🇲🇽 Mexico
Insufficient data
51 Tijuca National Park 🇧🇷 Brazil
Insufficient data

Quick answers

What are the chances of seeing a Chicken Snake in Calakmul Biosphere Reserve?

About 10% of wildlife watchers report a Chicken Snake sighting in Calakmul Biosphere Reserve, based on 11 days of visitor records from GBIF citizen-science data.

When is the best time to see Chicken Snake in Calakmul Biosphere Reserve?

August has the highest sighting rate for Chicken Snake in Calakmul Biosphere Reserve in our monthly data.

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