Gonyosoma (Redtail Rat Snakes)

Species in this group

LC

Gonyosoma oxycephalum

Daily sighting probability ~30% · Possible

LC Endemic

Gonyosoma jansenii

Daily sighting probability ~30% · Possible

Gonyosoma coeruleum

Daily sighting probability ~20% · Possible

Daily sighting probability by month

Probability-weighted average across the group's species

~20%

Jan

~20%

Feb

~20%

Mar

~20%

Apr

~10%

May

~20%

Jun

~20%

Jul

~20%

Aug

~10%

Sep

~20%

Oct

~10%

Nov

~20%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Redtail Rat Snakes

Warmer areas are where this group is recorded most often. Shaded: the known ranges of its 6 species, darker where more of them overlap (GARD, Roll et al. 2017 & Caetano et al. 2022). Our parks Our cities In captivity: 35 zoos & centres

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Khao Sok National Park	🇹🇭 Thailand	1 of 3	~30%
	Red-tailed Green Ratsnake			~30%
2	Tangkoko Nature Reserve	🇮🇩 Indonesia	1 of 3	~30%
	Celebes Black-Tailed Ratsnake			~30%
3	Taman Negara National Park	🇲🇾 Malaysia	1 of 3	~30%
	Red-tailed Green Ratsnake			~30%
4	Danum Valley Conservation Area	🇲🇾 Malaysia	1 of 3	~20%
	Red-tailed Green Ratsnake			~20%
5	Sepilok	🇲🇾 Malaysia	1 of 3	~20%
	Red-tailed Green Ratsnake			~20%
6	Doi Inthanon National Park	🇹🇭 Thailand	1 of 3	~20%
	Blue-eyed Bush Rat Snake			~20%
7	Khao Yai National Park	🇹🇭 Thailand	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%
8	Gunung Leuser National Park	🇮🇩 Indonesia	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%
9	Kinabalu Park	🇲🇾 Malaysia	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%
10	Cat Tien National Park	🇻🇳 Vietnam	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%
11	Kinabatangan Wildlife Sanctuary	🇲🇾 Malaysia	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%
12	Kaeng Krachan National Park	🇹🇭 Thailand	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Jakarta	🇮🇩 Indonesia	1 of 3	~20%
	Red-tailed Green Ratsnake			~20%
2	Singapore	🇸🇬 Singapore	1 of 3	~10%
	Red-tailed Green Ratsnake			~10%

Zoos & Centres Where Found

#	Zoo / Centre	Country
1	National Zoological Park	🇺🇸 United States	In captivity
2	ZooParc de Beauval	🇫🇷 France	In captivity
3	California Academy of Sciences	🇺🇸 United States	In captivity
4	Toronto Zoo	🇨🇦 Canada	In captivity
5	Columbus Zoo and Aquarium	🇺🇸 United States	In captivity
6	Planète Sauvage	🇫🇷 France	In captivity
7	Milwaukee County Zoo	🇺🇸 United States	In captivity
8	Louisville Zoo	🇺🇸 United States	In captivity
9	Warsaw Zoo	🇵🇱 Poland	In captivity
10	Tier-Natur-Erlebnispark Mundenhof	🇩🇪 Germany	In captivity
11	Safari de Peaugres Circuit Auto	🇫🇷 France	In captivity
12	Berlin Zoological Garden	🇩🇪 Germany	In captivity
13	National Zoo of Malaysia	🇲🇾 Malaysia	In captivity
14	Wilhelma	🇩🇪 Germany	In captivity
15	Houston Zoo	🇺🇸 United States	In captivity
16	Dudley Zoo	🇬🇧 United Kingdom	In captivity
17	Mesker Park Zoo and Botanic Garden	🇺🇸 United States	In captivity
18	Jersey Zoo	🇯🇪 Jersey	In captivity
19	Plock Zoo	🇵🇱 Poland	In captivity
20	Ménagerie du Jardin des Plantes	🇫🇷 France	In captivity
21	Jardin zoologique de la ville de Lyon	🇫🇷 France	In captivity
22	Alligator Adventure	🇺🇸 United States	In captivity
23	Capron Park Zoo	🇺🇸 United States	In captivity
24	St. Augustine Alligator Farm Zoological Park	🇺🇸 United States	In captivity
25	Siam Serpentarium	🇹🇭 Thailand	In captivity
26	Snake Farm of Queen Saovabha Memorial Institute	🇹🇭 Thailand	In captivity
27	Tropical World	🇬🇧 United Kingdom	In captivity
28	Aquarium Berlin	🇩🇪 Germany	In captivity
29	herpetarium warszawskiego ZOO	🇵🇱 Poland	In captivity
30	Reptiland	🇫🇷 France	In captivity
31	akwarium warszawskiego ZOO	🇵🇱 Poland	In captivity
32	Dolphins Bay Phuket	🇹🇭 Thailand	In captivity
33	hipopotamiarnia i akwarium morskie warszawskiego ZOO	🇵🇱 Poland	In captivity
34	Reptilia	🇨🇦 Canada	In captivity
35	Snakeroom Serpentarium	🇪🇸 Spain	In captivity

Show all 35 Show fewer

Redtail Rat Snakes

Species in this group

Red-tailed Green Ratsnake

Celebes Black-Tailed Ratsnake

Blue-eyed Bush Rat Snake

Daily sighting probability by month

When they're spotted

Where to see Redtail Rat Snakes

Parks Ranked

Cities Ranked

Zoos & Centres Where Found