Lacerta bilineata
Silhouette: Gustav Mützel · PhyloPic
In 3 days ~70% in a week ~90%
The western green lizard (Lacerta bilineata) is a lizard of the family Lacertidae. The genus name Lacerta and the species name bilineata are Latin words respectively meaning "lizard" and "with two lines", with reference to the pale lines present on the flanks of the young individuals.
Lacerta bilineata bilineata Daudin, 1802 (in Spain, France, Switzerland and Germany) Lacerta bilineata chloronota Rafinesque-Schmaltz, 1810 (in southern Italy and Sicily) Lacerta bilineata chlorosecunda Taddei, 1950 (in southeastern Italy)
Lacerta bilineata fejervaryi Vasvary, 1926 (in Italy from Tuscany up to Naples) It is native in Andorra, Croatia, France, Germany, Italy, Monaco, Serbia, Slovenia, Spain, Switzerland, Guernsey and Jersey in the Channel Isles. and introduced into the United States. There are also introduced colonies on the south coast of the U.K, notably around Poole Bay in Dorset.
Lacerta bilineata reaches an average length (excluding tail) of about 13 centimetres (5.1 in), with a maximum of 40 centimetres (16 in), including tail. The tail may reach up to twice the body length. The average weight is about 35 grams... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Pyrénées National Park | 🇫🇷 France | |
| 4 | Ecrins National Park | 🇫🇷 France | |
| 5 | Aigüestortes National Park | 🇪🇸 Spain | |
| 6 | Picos de Europa National Park | 🇪🇸 Spain | |
| 7 | Vanoise National Park | 🇫🇷 France | |
| 8 | Camargue | 🇫🇷 France |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Malta National Aquarium | 🇲🇹 Malta |
Possible
About 30% of wildlife watchers report a Western Green Lizard sighting in Picos de Europa National Park on a given day, based on 18 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 6th most-seen of the 10 reptiles we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
May
In that month about 50% of wildlife watchers report a Western Green Lizard in Picos de Europa National Park on a given day, against under 5% in March and September–November, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Western Green Lizard sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
6th of 8
Of the 8 parks where we can rate Western Green Lizard sightings, Picos de Europa National Park ranks 6th at about 30%. The best odds are in Cévennes National Park (France, about 60%), Mercantour National Park (France, about 30%) and Pyrénées National Park (France, about 30%). All parks ranked.
GBIF citizen-science records
It is estimated from how often the Western Green Lizard is recorded against all the reptiles logged in Picos de Europa National Park (18 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
