Erythrolamprus miliaris
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~10% in a week ~30%
The military ground snake (Erythrolamprus miliaris) is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to South America. South American common names for Erythrolamprus miliaris include cobra-d'água (water snake) and cobra-lisa (smooth snake) in Portuguese, and simply culebra (snake) in Spanish.
Erythrolamprus miliaris was originally described as Coluber miliaris by Carl Linnaeus in 1758. Erythrolamprus miliaris belongs to the genus Erythrolamprus, which contains over 50 species. The genus Erythrolamprus belongs to the subfamily Dipsadinae, which is sometimes referred to as the family Dipsadidae. The relationships of Erythrolamprus species located in northern South America can be shown in the cladogram below, based on molecular DNA analysis:
Five subspecies are recognized, including the nominotypical subspecies. Erythrolamprus miliaris amazonicus (Dunn, 1922) Erythrolamprus miliaris chrysostomus (Cope, 1868) Erythrolamprus miliaris merremi (Wied, 1821) Erythrolamprus miliaris miliaris (Linnaeus, 1758)
Erythrolamprus miliaris orinus (Griffin, 1916) The subspecific name,... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 2 | Tijuca National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rio de Janeiro | 🇧🇷 Brazil | |
| 2 | Curitiba | 🇧🇷 Brazil | |
| 3 | São Paulo | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Military Ground Snake sighting in São Paulo on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 12th most-seen of the 23 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
February–May, October and December
In those months about 10% of wildlife watchers report a Military Ground Snake in São Paulo on a given day, against under 5% in January, June–September and November, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Military Ground Snake sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 cities where we can rate Military Ground Snake sightings, São Paulo ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Rio de Janeiro (Brazil, about 10%) and Curitiba (Brazil, about 10%).
GBIF citizen-science records
It is estimated from how often the Military Ground Snake is recorded against all the reptiles logged in São Paulo (20 verified sightings), 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.
