why can't hens climb? ответьте на вопрос пожалуйста на английском

Hens, like most ground-dwelling birds, are not built for climbing, and there are several reasons for this.

1. Body Structure: Hens have a body structure that is optimized for walking and running rather than climbing. Their legs are designed for stability on the ground, not for gripping or grasping like the claws of birds that are good at climbing (such as parrots or woodpeckers). The feet of hens have three forward-facing toes and one backward-facing toe, which is good for scratching the ground but not for grasping onto vertical surfaces.

2. Feather Distribution: Unlike birds that are adapted for climbing, hens have feathers that don’t aid in grip. Birds that are climbers often have specialized feathers or structures, like zygodactyl feet (two toes facing forward and two backward), which give them better control over their movement on tree trunks or other vertical surfaces.

3. Evolutionary Adaptation: Hens, like other chickens, evolved primarily as ground-dwelling creatures. Their ancestors were wild jungle fowl that lived on the forest floor, foraging for food, rather than climbing trees. Over time, this has led to their current physical features that make them excellent at foraging, running, and walking on the ground, but not at climbing.

4. Flightlessness: While hens can fly short distances, they are not strong fliers like some other birds. Their wings are not adapted for sustained flight or for helping them get a foothold on a high surface. This makes it harder for them to navigate vertical spaces or climb obstacles.

5. Behavioral Factors: Chickens are naturally cautious creatures. They prefer staying close to the ground, where they feel more secure from predators. Climbing would expose them to greater risk, so they tend to avoid high places or situations where they need to climb.

In summary, hens can't climb because of their physical structure, evolutionary history, and behavioral tendencies, all of which make them well-suited to life on the ground but not to vertical movement.