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Banded palm civet

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The banded palm civet, known scientifically as Hemigalus derbyanus, is a unique mammal from the family Viverridae. This species is native to the Indomalaya region, which includes parts of Southeast Asia. It is a monotypic taxon, meaning it is the only species living within its specific genus, Hemigalus. The name Hemigalus comes from the Greek words "hemi," meaning half, and "galus," meaning weasel. This name reflects the animal's physical appearance.

Hemigalus derbyanus
Hemigalus derbyanus

These animals are important members of their ecosystems, primarily inhabiting lowland conifer and evergreen forests. However, their habitats are under constant pressure from human activities.

Physically, the banded palm civet is roughly the size of a domestic cat. Their fur is typically a pale color, such as grey, whitish, buff, or pale brown. This pale base is marked by seven to eight dark bands on the face and back. These bands can be black, dark brown, or chestnut in color.

0A2A0917 Banded palm civet
0A2A0917 Banded palm civet

The animal has a tail that is about three-quarters the length of its body and head combined. Interestingly, the tail can appear to swell in size when the civet feels threatened. To help with hunting, they possess sensitive hairs located between the pads of their paws. These hairs allow them to detect the presence of prey in the dark.

As a strict carnivore, the banded palm civet plays a specific role in the food web. They hunt for a wide variety of small animals, including rats, frogs, small reptiles, and birds. They also eat invertebrates like ants, spiders, worms, and crustaceans.

0A2A0917 Banded palm civet
0A2A0917 Banded palm civet

Their hunting process is quite efficient. They often search for food around water or along the forest floor. When they encounter larger prey, they use a specific technique to secure it. The civet bites the back of the victim's neck and shakes it vigorously. They then hold the prey with their front paws to continue the attack with their teeth.

The species is divided into four distinct subspecies. These include H. d. derbyanus, H. d. boiei, H. d. minor, and H. d. sipora. These groups are spread across different geographic locations. H. d. derbyanus is found in Myanmar, mainland Malaysia, and Sumatra. H. d. boiei lives only on the island of Borneo. The subspecies H. d. minor and H. d. sipora are found on the Mentawai islands and South Pagai. Scientific evidence suggests that H. d. minor and H. d. derbyanus diverged from one another approximately 2.7 million years ago.

Cambridge Natural History Mammalia Fig 201
Cambridge Natural History Mammalia Fig 201

Humans have been documenting the banded palm civet for nearly two centuries. In 1837, Claude Jourdan first described the species using a skin and a skeleton. That same year, John Edward Gray described a specimen from the Malay Peninsula. For a long time, different scientists used different names for the animal. In 1939, Reginald Innes Pocock clarified the classification. He placed the specimens described between 1837 and 1915 into the single genus Hemigalus. This helped scientists understand that the banded palm civet was a unique, single-species group.

Conservation data shows that the banded palm civet faces significant challenges. The population has decreased by approximately 30% in just three generations. As of 2022, it was estimated that the population has declined to only 21% of its original IUCN Red List distribution.

0A2A0917 Banded palm civet
0A2A0917 Banded palm civet

The primary cause of this decline is habitat loss. Logging, the construction of dams, and the conversion of forests into agriculture or plantations destroy their lowland homes. They are also sometimes hunted for food in Sabah or taken from the wild to be kept as pets. Because of these threats, the species is listed as Near Threatened on the IUCN Red List.

Understanding the life cycle of the civet helps us see how they persist in the wild. Females typically have one or two litters each year, with one or two young per litter. The gestation period, or the time the young develop inside the mother, lasts between 32 and 64 days. Newborns are very small, weighing only about 10 grams. They usually open their eyes eight to twelve days after birth and nurse for up to 70 days. While wild civets usually live up to twelve years, one individual in captivity reached eighteen years of age.

Cambridge Natural History Mammalia Fig 201
Cambridge Natural History Mammalia Fig 201
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File:0A2A0917 Banded palm civet.jpg
0A2A0917 Banded palm civet.jpg
File:Hemigalus derbyanus.jpg
Hemigalus derbyanus.jpg
File:Cambridge Natural History Mammalia Fig 201.png
Cambridge Natural History Mammalia Fig 201.png
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