Genus

Night Snakes

Hypsiglena

3 species in our catalog · found in 7 parks

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassSquamata
FamilyColubridae (Colubrid Snakes)
GenusHypsiglena (Night Snakes)

Species in this group

Hypsiglena jani

Daily sighting probability ~20% · Possible

Hypsiglena chlorophaea

Daily sighting probability ~10% · With luck

Hypsiglena ochrorhynchus

Daily sighting probability ~10% · With luck

Daily sighting probability by month

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

~10%

Mar

~10%

Apr

~10%

May

~10%

Jun

~10%

Jul

~20%

Aug

~20%

Sep

~10%

Oct

<5%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Night 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: 1 zoo or centre

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Big Bend National Park	🇺🇸 United States	1 of 3	~20%
	Chihuahuan Nightsnake			~20%
2	Saguaro National Park	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%
3	Death Valley National Park	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%
4	Zion National Park	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%
5	Sequoia and Kings Canyon National Parks	🇺🇸 United States	1 of 3	~10%
	Coast Night Snake			~10%
6	Grand Canyon National Park	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%
7	Joshua Tree National Park	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Las Vegas	🇺🇸 United States	1 of 3	~10%
	Desert Nightsnake			~10%
2	Phoenix	🇺🇸 United States	1 of 3	<5%
	Desert Nightsnake			<5%
3	Mesa	🇺🇸 United States	1 of 3	<5%
	Desert Nightsnake			<5%
4	San Diego	🇺🇸 United States	1 of 3	<5%
	Coast Night Snake			<5%
5	Los Angeles	🇺🇸 United States	1 of 3	<5%
	Coast Night Snake			<5%

Zoos & Centres Where Found

#	Zoo / Centre	Country
1	Orange County Zoo	🇺🇸 United States	In captivity

Night Snakes

Species in this group

Chihuahuan Nightsnake

Desert Nightsnake

Coast Night Snake

Daily sighting probability by month

When they're spotted

Where to see Night Snakes

Parks Ranked

Cities Ranked

Zoos & Centres Where Found