17 
1046.100, 1050.169. 
Storeria dekayi brown snake 
0205.001, 0231.010, 0257.150, 0312.141, 0377.130, 0377.135, 0625.404, 0718.100, 0718.105, 
1040.202, 1046.100, 1050.169. 
Storeria occipitomaculata redbelly snake 
0231.010, 0312.141, 0377.130, 0377.135, 0718.100, 0718.105, 1050.169. 
Tantilla atriceps Mexican blackhead snake 
0231.010, 0312.141, 0718.100, 0718.105, 1050.169. 
Tantilla gracilis flathead snake 
0149.110, 0222.001, 0231.010, 0312.141, 0377.135, 0622.127, 0718.100, 0718.105, 0822.001, 
1040.245, 1050.169. 
Tantilla hobartsmithi southwestern blackhead snake 
0231.010, 0312.141, 0718.100, 0718.105, 1050.169. 
Tantilla nigriceps Plains blackhead snake 
0216.630, 0231.010, 0312.141, 0718.100, 0718.105, 1050.169. 
Tantilla rubra Big Bend blackhead snake 
0231.010, 0312.141, 0718.100, 0718.105, 0860.030, 1050.169. 
Thamnophis cyrtopsis blackneck garter snake 
0149.110, 0231.010, 0312.141, 0718.100, 0718.105, 0820.200, 0860.030, 1046.100, 1050.169. 
Thamnophis marcianus checkered garter snake 
0149.110, 0231.010, 0312.141, 0377.101, 0377.110, 0377.125, 0643.520, 0718.100, 0718.105, 
0720.237, 0723.020, 0736.500, 0816.805, 0820.200, 1040.100, 1050.169. 
Thamnophis proximus western ribbon snake 
0149.110, 0231.010, 0312.141, 0377.130, 0377.135, 0384.210, 0522.200, 0529.550, 0626.510, 
0718.100, 0718.105, 0720.235, 0720.237, 0820.200, 1040.202, 1046.100, 1050.169, 1072.125. 
Thamnophis radix Plains garter snake 
0231.010, 0312.141, 0717.100, 0718.105, 1050.169. 
Thamnophis sirtalis common garter snake 
0231.010, 0312.141, 0529.550, 0622.119, 0718.100, 0718.105, 0720.235, 1040.202, 1046.100, 
1050.169, 1072.125. 
Trimorphodon biscutatus Lyre snake 
