Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) close up amongst Vervain (Glandularia sp.) flowers, Laredo Borderlands, Texas, USA. April

Rolf Nussbaumer / Texas indigo snake drinking {Drymarchon corais erebennus} Texas, USA.

Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) portrait, Laredo Borderlands, Texas, USA. April

Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) amongst Vervain (Glandularia sp.) flowers, Laredo Borderlands, Texas, USA. April

Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) amongst Vervain (Glandularia sp.) flowers, Laredo Borderlands, Texas, USA. April

Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) close up portrait, Laredo Borderlands, Texas, USA. April

Claudio Contreras / Texas indigo snake (Drymarchon melanurus erebennus) amongst Vervain (Glandularia sp.) flowers, Laredo Borderlands, Texas, USA. April

Cyril Ruoso / Texas Indigo Snake (Drymarchon corais erebennus) flicking tongue, southern Texas

B&S Draker / Texas Indigo Snake (Drymarchon corais erebennus) adult at pond. Sinton, Corpus Christi, Coastal Bend, Texas, USA, April.

David Welling / Texas Indigo Snake (Drymarchon corais erebennus) looking alert by water. Santa Clara ranch, Starr County, Texas, USA, April.

David Welling / Texas Indigo Snake (Drymarchon corais erebennus) by water. Santa Clara ranch, Starr County, Texas, USA, April.

Rolf Nussbaumer / Texas Indigo Snake {Drymarchon corais erebennus} adult swimming, Rio Grande Valley, Texas, USA