Which bird is most tolerant of the cold?

The Red-tailed Hawk is often recognized for its adaptability to a wide range of environments, including cold climates. This species has several physiological and behavioral characteristics that enable it to withstand lower temperatures compared to other birds of prey. For instance, they possess robust feathers that provide excellent insulation against the cold. Additionally, Red-tailed Hawks often employ thermoregulation strategies, such as fluffing their feathers to create air pockets for added warmth. These factors contribute significantly to their success in colder regions.

In contrast, the Harris' Hawk is more often found in warmer, more arid environments and may struggle in extreme cold conditions due to its preferred habitat challenges. The Aplomado falcon, while resilient, also thrives in more temperate to warmer climates and does not exhibit the same level of cold tolerance as the Red-tailed Hawk. Therefore, when considering cold tolerance, the Red-tailed Hawk stands out as the species best equipped to handle lower temperatures.