Family

Glass and Alligator Lizards

Anguidae

23 species in our catalog · found in 44 parks

Species in this group

Each card shows the species at its best park — tap for the full profile

Abronia moreletii

Anguis colchica

Anguis fragilis

Abronia smithi

Elgaria coerulea

Anguis veronensis

Elgaria multicarinata

20–30% · Possible

Abronia monticola

Insufficient data

Gerrhonotus infernalis

Barisia imbricata

Ophisaurus ventralis

Abronia montecristoi

Barisia rudicollis

Abronia deppii

Ophisaurus compressus

5–10% · With luck

LC Endemic

Gerrhonotus liocephalus

Anniella campi

Anniella stebbinsi

Elgaria velazquezi

Barisia ciliaris

Elgaria panamintina

Gerrhonotus parvus

Gerrhonotus lugoi

See all 23 species Show fewer

📅 Monthly Probability

Probability-weighted average across the group's species

10–20

Jan

10–20

Feb

10–20

Mar

20–30

Apr

30–40

May

20–30

Jun

20–30

Jul

20–30

Aug

20–30

Sep

20–30

Oct

10–20

Nov

10–20

Dec

🕐 When They're Spotted

When the group's species are recorded (aggregated)

Where to see Glass and Alligator Lizards

Worldwide records of this group (human observations from 2019 onwards, GBIF). Pins mark our parks — tap one for the chance of seeing at least one species of the group there.

Parks Ranked

Chance of seeing at least one species of the group · number of its species present

#	Park	Country	Species	P(≥1)
1	El Triunfo	🇲🇽 Mexico	2	60–70%
	Morelet's Alligator Lizard			50–60%
	Smith's Arboreal Alligator Lizard			Insufficient data
2	Triglav National Park	🇸🇮 Slovenia	2	50–60%
	Slow Worm			40–50%
	Italian Slow Worm			10–20%
3	Białowieża National Park	🇵🇱 Poland	1	40–50%
	Eastern Slow-worm			40–50%
4	Snowdonia National Park	🇬🇧 United Kingdom	1	40–50%
	Slow Worm			40–50%
5	Sequoia and Kings Canyon National Parks	🇺🇸 United States	2	40–50%
	Northern Alligator Lizard			30–40%
	Southern Alligator Lizard			20–30%
6	Bavarian Forest National Park	🇩🇪 Germany	1	40–50%
	Slow Worm			40–50%
7	Reserva de la Biosfera Mariposa Monarca	🇲🇽 Mexico	3	30–40%
	Transvolcanic Alligator Lizard			10–20%
	Rough-necked Alligator Lizard			Insufficient data
	Guerreran Arboreal Alligator Lizard			Insufficient data
8	Cévennes National Park	🇫🇷 France	1	30–40%
	Slow Worm			30–40%
9	Biebrza National Park	🇵🇱 Poland	2	30–40%
	Slow Worm			10–20%
	Eastern Slow-worm			10–20%
10	Picos de Europa National Park	🇪🇸 Spain	1	30–40%
	Slow Worm			30–40%
11	Redwood National Park	🇺🇸 United States	2	30–40%
	Northern Alligator Lizard			20–30%
	Southern Alligator Lizard			5–10%
12	La Tigra National Park	🇭🇳 Honduras	1	20–30%
	Morelet's Alligator Lizard			Insufficient data
13	Channel Islands National Park	🇺🇸 United States	2	20–30%
	Southern Alligator Lizard			20–30%
	San Diegan Legless Lizard			<5%
14	Mercantour National Park	🇫🇷 France	1	20–30%
	Italian Slow Worm			20–30%
15	Yosemite National Park	🇺🇸 United States	2	20–30%
	Northern Alligator Lizard			10–20%
	Southern Alligator Lizard			10–20%
16	Irazú Volcano National Park	🇨🇷 Costa Rica	1	20–30%
	Montane Alligator Lizard			Insufficient data
17	Big Cypress National Preserve	🇺🇸 United States	2	20–30%
	Eastern Glass Lizard			10–20%
	Island Glass Lizard			5–10%
18	Pyrénées National Park	🇫🇷 France	1	20–30%
	Slow Worm			20–30%
19	Cairngorms National Park	🇬🇧 United Kingdom	1	20–30%
	Slow Worm			20–30%
20	Big Bend National Park	🇺🇸 United States	1	20–30%
	Texas Alligator Lizard			20–30%
21	Tatra National Park	🇸🇰 Slovakia	2	10–20%
	Eastern Slow-worm			10–20%
	Slow Worm			Insufficient data
22	Cumbres de Monterrey National Park	🇲🇽 Mexico	4	10–20%
	Texas Alligator Lizard			10–20%
	Northern Imbricate Alligator Lizard			<5%
	Pygmy Alligator Lizard			Insufficient data
	Lugo's Alligator Lizard			Insufficient data
23	Aigüestortes National Park	🇪🇸 Spain	1	10–20%
	Slow Worm			10–20%
24	Fertő-Hanság National Park	🇭🇺 Hungary	1	10–20%
	Slow Worm			10–20%
25	Cusuco National Park	🇭🇳 Honduras	1	10–20%
	Morelet's Alligator Lizard			Insufficient data
26	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	1	10–20%
	Montane Alligator Lizard			10–20%
27	Celaque National Park	🇭🇳 Honduras	1	10–20%
	MonteCristo Arboreal Alligator Lizard			Insufficient data
28	Los Quetzales National Park	🇨🇷 Costa Rica	1	10–20%
	Montane Alligator Lizard			10–20%
29	Volcán Barú National Park	🇵🇦 Panama	1	10–20%
	Montane Alligator Lizard			Insufficient data
30	Chirripó National Park	🇨🇷 Costa Rica	1	10–20%
	Montane Alligator Lizard			10–20%
31	Everglades National Park	🇺🇸 United States	2	10–20%
	Island Glass Lizard			5–10%
	Eastern Glass Lizard			<5%
32	Olympic National Park	🇺🇸 United States	1	10–20%
	Northern Alligator Lizard			10–20%
33	Wadden Sea National Park	🇩🇪 Germany	1	10–20%
	Slow Worm			10–20%
34	Gauja National Park	🇱🇻 Latvia	1	5–10%
	Eastern Slow-worm			Insufficient data
35	Death Valley National Park	🇺🇸 United States	3	5–10%
	Big Spring Legless Lizard			Insufficient data
	Southern Alligator Lizard			Insufficient data
	🦎 Panamint Alligator Lizard			Insufficient data
36	Great Bear Rainforest	🇨🇦 Canada	1	5–10%
	Northern Alligator Lizard			5–10%
37	Ordesa y Monte Perdido National Park	🇪🇸 Spain	1	5–10%
	Slow Worm			Insufficient data
38	Cañón del Sumidero National Park	🇲🇽 Mexico	1	<5%
	Wiegmann's alligator lizard			Insufficient data
39	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	1	<5%
	🦎 Central Peninsular Alligator Lizard			Insufficient data
40	Braulio Carrillo National Park	🇨🇷 Costa Rica	1	<5%
	Montane Alligator Lizard			Insufficient data
41	La Amistad International Park (Panama)	🇵🇦 Panama	1	<5%
	Montane Alligator Lizard			<5%
42	Glacier National Park	🇺🇸 United States	1	<5%
	Northern Alligator Lizard			Insufficient data
43	Pacific Rim National Park Reserve	🇨🇦 Canada	1	<5%
	Northern Alligator Lizard			Insufficient data
44	Joshua Tree National Park	🇺🇸 United States	1	<5%
	San Diegan Legless Lizard			Insufficient data

Glass and Alligator Lizards

Species in this group

Morelet's Alligator Lizard

Eastern Slow-worm

Slow Worm

Smith's Arboreal Alligator Lizard

Northern Alligator Lizard

Italian Slow Worm

Southern Alligator Lizard

Montane Alligator Lizard

Texas Alligator Lizard

Transvolcanic Alligator Lizard

Eastern Glass Lizard

MonteCristo Arboreal Alligator Lizard

Rough-necked Alligator Lizard

Guerreran Arboreal Alligator Lizard

Island Glass Lizard

Wiegmann's alligator lizard

Big Spring Legless Lizard

San Diegan Legless Lizard

Central Peninsular Alligator Lizard

Northern Imbricate Alligator Lizard

Panamint Alligator Lizard

Pygmy Alligator Lizard

Lugo's Alligator Lizard

📅 Monthly Probability

🕐 When They're Spotted

Where to see Glass and Alligator Lizards

Parks Ranked