Setting up a chicken coop on your farmstead is indeed an exciting and valuable adventure that comes with its own fair share of challenges. One such challenge lies in selecting the right chicken breeds for your flock. While many breeds offer ease of management and safety, others introduce complexities, making you reconsider your poultry farming plans.

Among the considerations when choosing breeds are factors such as temperament, adaptability, and yes, aggression. Some breeds are known to exhibit more aggressive behaviors particularly due to their genetic makeup or gender.

So, what are these most dangerous chicken breeds? Do you have any of them in your flock? Let’s explore!

AsilThese Are The Most Dangerous Chicken Breeds. Do You Have Any Of Them?

Originating from India, Asil chickens were originally bred for cockfighting, leading to their fierce temperament. Asil is known for its large size, powerful build, and sturdy legs, all traits that enhance its fighting abilities. Beware because their dangerously aggressive behavior can show up in various situations, whether it’s interacting with other chickens or humans.

Constantly vigilant and surveying their surroundings for potential threats, Asil chickens exhibit a distinctive authoritative attitude that sets them apart from other breeds. This trait contributes to their reputation as one of the most feared chickens in the poultry world.

Related: Most Vicious Chicken Predators


Originating from Southeast Asia, Malay chickens have evolved to thrive in harsh environments, developing resilience over time. Malay’s toughness can be traced back to their historical involvement in cockfighting, where selective breeding for aggression played a significant role.

Hostility in Malay chickens can swiftly intensify, particularly during territorial disputes. Without careful management, conflicts among birds or with humans can lead to severe injuries. Malay chickens are known to use their sharp beaks when threatened, potentially causing significant harm. It’s essential to handle and address any aggressive behavior as soon as you notice it.

Cornish ChickensThese Are The Most Dangerous Chicken Breeds. Do You Have Any Of Them?

Cornish chickens, also known as Indian Game, originated in Cornwall, England, during the late 19th century. This breed was developed through selective breeding, blending traits from various game bird breeds such as Malay and Old English Game. These ancestral influences contribute to their occasionally hostile temperament within a flock.

While Cornish chickens typically don’t exhibit aggression towards humans or other chickens, they can become defensive if they perceive a threat to their territory or resources. So, if you plan to have them, give them ample space and resources to eliminate competition.

Related: Do This For Your Chickens So They Lay More Eggs

American Game

American Game chickens have a strong instinct for fighting, which was historically bred into them for cockfighting purposes. They may engage in aggressive behaviors such as pecking, kicking, and sparring with other chickens, especially roosters. Consequently, this aggression can escalate into serious fights, potentially resulting in injuries.

In addition to their combative nature, Game chickens are renowned for their vocal behavior. If you prefer a peaceful and calm environment, this breed may not be the best choice for your homestead.

Old English GameThese Are The Most Dangerous Chicken Breeds. Do You Have Any Of Them?

Old English Game chickens, as their name implies, boast a rich history in England and are among the oldest recognized chicken breeds. Through selective breeding, they have been honed for combat traits like aggression, strength, and endurance making them one of the hostile chicken breeds.

Furthermore, the Old English Game breed is infamous for being territorial. These birds are self-contained and dislike any interference in their space, whether it involves their food, water, or territory, not even from their flock mates. Consequently, this instinct can lead to behaviors such as pecking, chasing, and fighting to establish and maintain dominance within the flock.

Related: Why Are My Chickens Eating Their Own Eggs?

Oriental Game

Oriental Game chickens are renowned for their rugged fighting instincts, a trait that has been ingrained in them through generations of breeding for cockfighting. Their active nature demands ample space, which, if restricted, can lead to frustration and potential aggression.

The combination of their harsh combating trait and incredibly active nature often leads to frequent conflicts within the flock. This not only poses a danger to other chickens but also increases the risk of injuries to humans, including cuts, bruises, and deep wounds when interacting with them.

ShamoThese Are The Most Dangerous Chicken Breeds. Do You Have Any Of Them?

Shamo chickens have a long history in Japan, where they were bred specifically for cockfighting for many centuries. One standout trait of this breed is its solid aversion to confinement; they prefer open spaces where they can roam freely. When confined to inadequate areas or small coops, Shamo chickens may become stressed, agitated, and more prone to aggressive behavior.

Additionally, Shamo chickens exhibit high levels of aggression towards chickens of the same sex. Roosters, in particular, can display intense aggression, often engaging in fights to establish dominance within the flock.


Originating from the vibrant streets of Santiago de Cuba, Cubalaya chickens bring a touch of Caribbean flair to your farmstead. These dual-purpose chickens are prized for their awesome egg-laying capabilities and succulent meat, making them a valuable addition to any homestead.

However, beware, beneath those colorful feathers lies a fiery spirit! Cubalayas, with their high-flying ability and hostile personality, can sometimes show a feisty side, especially when defending their turf.

To sum it up, choosing the appropriate chicken breeds for your coop is essential to maintaining a harmonious flock. Each breed, from the fiercely territorial Cubalaya to the watchful Asil, presents its own unique challenges and rewards. Consequently, understanding the behaviors and needs of these breeds is paramount for successful poultry farming.

This guide aims to provide you with valuable insights into which chicken breeds may pose risks on your homestead. Hopefully, armed with this knowledge, you can make informed decisions to ensure a thriving farm on your land.

Best of luck!

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