Rena dulcis
Silhouette: Jessica Tingle · PhyloPic
In 3 days ~10% in a week ~20%
Rena dulcis, also known commonly as the Texas blind snake, the Texas slender blind snake, or the Texas threadsnake, is a species of snake in the family Leptotyphlopidae. The species is endemic to the Southwestern United States and adjacent northern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.
The Texas blind snake appears much like a shiny earthworm. It is pinkish-brown (puce) in color with a deep sheen to its scales. It appears not to be segmented. The eyes are no more than two dark dots under the head scales. The upper jaw contains no teeth, and the lower jaw is incredibly short (less than half the length of the skull). When ingesting prey, the snake flexes the front of its short lower jaw quickly in a raking motion to fling prey into its esophagus, a technique unique to the family Leptotyphlopidae.
Adults can grow to approximately 27 cm (11 in) in total length, including the tail. On the top of the head, between the ocular scales, L. dulcis has three scales (L. humilis has one scale). R. dulcis is terrestrial, fossorial, and secretive.
The Texas blind snake spends the vast majority of its time... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | San Antonio | 🇺🇸 United States | |
| 3 | Dallas | 🇺🇸 United States |
No species of the same family or order lives in Dallas, so these are its closest relatives here: other reptiles.
Rare
Under 5% of wildlife watchers report a Texas Blind Snake sighting in Dallas on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 31st most-seen of the 33 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Texas Blind Snake in Dallas on a given day, so our monthly data shows no clear season.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Texas Blind Snake sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
3rd of 3
Of the 3 cities where we can rate Texas Blind Snake sightings, Dallas ranks 3rd at under 5%. The best odds are in Austin (United States, about 10%) and San Antonio (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Texas Blind Snake is recorded against all the reptiles logged in Dallas (6 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.
