<p><b>Hemibungarus calligaster</b>, or the Javan wire-tailed snake, is a vibrant, arboreal snake native to the tropical rainforests of Java, Indonesia, known for its strikingly long tail, nocturnal behavior, and a diet consisting mainly of small mammals and birds. With a length of 1.5 to 2.5 meters, this species plays a crucial role in its ecosystem as a skilled predator, helping to maintain ecological balance.</p>