An adaptation to the Blackhead's fossorial existence is a single pit in the rostral that contains infrared thermoreceptors, which can detect prey. Unlike other pythons that possess rows of exposed pits in their labial scales, a single pit embedded in the rostral protects this sensitive organ.
I keep Western Blackheads. They are gorgeous with high contrasting colors. One of my females has a unique 'bleached' appearance. Her ground color is a clean white, while her pattern is reduced, faded, and has light pink blushes at the edges of the bands. This is not a genetic trait. As a baby she was a normal looking western snake. For reasons unknown, at around 5 years of age her color/pattern changed. She is one of the stars of my collection, and her babies are pretty incredible too.
Breeding Blackheads is a rewarding challenge, but they can test your patience. This species taught me a lot about python husbandry.
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