Hackle

Royal Regiment of Fusiliers Celle Abschied Rede

Soldiers from the 1st Battalion The Royal Welsh Take Part in Exercise Askari Thunder in Kenya, Africa MOD 45152624

Soldiers of the Royal Irish Regiment on Parade MOD 45149306

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Coldstream guardsman with military flag on Horseguards Parade

File:Hackle Cameron Highlanders of Canada.jpg

Hackle Cameron Highlanders of Canada

For the fishing lure, see Hackle (fly tying).

Hackle refers to the feathers found on the neck of a bird or the erectile hairs found on the back of certain animals. These structures serve various functions, including display, protection, and communication.

Birds

In birds, hackles are the feathers located on the neck. They are often more colorful and elaborate in males, playing a significant role in sexual selection. During courtship displays, male birds may raise their hackles to attract females or to intimidate rivals. Species such as the domestic chicken and the peacock are well-known for their prominent hackles.

Mammals

In mammals, hackles refer to the erectile hairs along the back and neck. These hairs can be raised when the animal is threatened or excited, a response known as piloerection. This reaction can make the animal appear larger and more intimidating to predators or rivals. Common examples include dogs, cats, and porcupines.

Function

The primary functions of hackles in both birds and mammals include:

• Display: Used in courtship and mating rituals to attract partners.
• Protection: Raised hackles can make an animal appear larger and more formidable to predators.
• Communication: Indicate emotional states such as aggression, fear, or excitement.

Related Pages

• Feather
• Piloerection
• Sexual selection
• Courtship display
• Domestic chicken
• Peacock
• Dog
• Cat
• Porcupine