What specific ability aids the Turkey Vulture in finding food in dense forests?

Answer

An acute sense of smell capable of detecting gases like ethyl mercaptan.

Unlike many other avian scavengers that rely almost exclusively on sight, the Turkey Vulture possesses a highly developed olfactory sense. Its nasal passages contain specialized receptors that allow it to detect the faint odors of decaying organic matter, specifically gases such as ethyl mercaptan. This sensory adaptation provides a distinct foraging advantage in environments with heavy foliage or dense forest canopies where visual detection of a carcass from high altitudes would otherwise be impossible.

What specific ability aids the Turkey Vulture in finding food in dense forests?
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