Based on 3,272 research-grade iNaturalist observations in Texas, Black-tailed Jackrabbit is most often recorded in May; in Texas it behaves like a summer visitor / breeder. It ranks #18 among mammals recorded in the state in our data.
Lepus californicus
Black-tailed Jackrabbit in Texas by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Texas in May

Eastern Fox Squirrel

White-tailed Deer

Eastern Cottontail

Common Raccoon
Mexican Long-nosed Armadillo

Eastern Gray Squirrel

Virginia Opossum
Gray Fox
Places to look in Texas
Dinosaur Valley State Park
San Antonio Botanical Garden
Garner State Park
State ParkBrazos Bend State Park
Pedernales Falls State Park
Enchanted Rock State Natural Area
FAQ
When does Black-tailed Jackrabbit appear in Texas?
Mainly March–September, with the most records in May.
How common is Black-tailed Jackrabbit in Texas?
It ranks #18 by number of iNaturalist observations among mammals in Texas (3,272 records in our sample).