What layer of the Yakutian Laika's coat provides the primary thermal barrier against sub-zero temperatures?
Answer
The thick, soft, and dense undercoat
The Yakutian Laika possesses a true double coat essential for insulation in extreme cold. While the outer coat consists of guard hairs that are dense and water-repellent, the fundamental insulation layer responsible for maintaining body heat is the undercoat. This undercoat is characterized as being thick, soft, and dense, acting as the primary thermal barrier necessary for survival in one of the coldest inhabited regions on Earth. The combination of these layers allows the dog to withstand severe cold while the outer layer sheds water.
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