Red bloods (
p. brongersmai), and Sumatran short tails (
p. curtus) tend to color up and get better with age, sometimes not showing their true colors until 2+ years old. Borneo's (
p. breitensteini) have very vivid colors as hatchlings, but are pretty tricky to describe. They may not be the most colorful of snakes, but their range of colors as they grow is truly impressive. They are very polymorphic snakes to say the least, and unlike many other snakes, I believe no two look alike. I keep quite a few of this species and they never cease to amaze...any individual Borneo can throw a range of colors between sheds, from different temps, and I also believe certain moods and times of year play a factor as well...not really something I can explain, lol. Some of my snakes range in color from light tans and creamy colors, to dark browns, and various shades of grays, gun metal, and even blues. They're not really everyone's cup of tea in the color department, but they're my favorite species out of the curtus complex of animals. From my observations, they seem to have the better feeding response, hitting f/t prey like a freight train compared to some of my bloods who would rather just pick up the rat up off the floor of the enclosure. In my opinion, they seem to have the best demeanor as well. I have no problem reaching right into any of their enclosures and just scooping them up, whereas I'm a little more cautious with some of my bloods who seem to be a little more "head shy" and seem to strike defensively sometimes for no reason.
This is the same animal that's in my avatar as a hatchling and one from a couple weeks ago
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Cheers
Terry