Most people consider chickens to be quiet, docile animals.
But when kept in the right conditions, some chickens can be quite aggressive—particularly if you don’t handle them correctly from the beginning.
Here are 15 of the most aggressive chicken breeds to help you avoid biting off more than you can chew!
1. Malay Rooster
The Malay Rooster is the national bird of Malaysia and is known for its aggressive behavior.
These birds are not afraid to attack other animals and have even been known to kill people.
The Malay Rooster is a good choice if you’re looking for an aggressive chicken breed.
While they might get along with their kind, these roosters will usually fight with any other animal near them.
2. Cornish Chicken
The Cornish chicken is a popular breed that is known for being aggressive. This chicken is large and muscular, with a short neck and legs.
It will take over the coop and attack other chickens in its territory. It is said to be one of the most aggressive breeds on this list.
3. Asil or Aseel Chicken
The Asil or Aseel is among the most aggressive chicken breeds from the Indian subcontinent.
‘Asil’ is derived from the Arabic word ‘pure’ or ‘thoroughbred.’
The Asil is known for its aggressive temperament and game-like fighting qualities, making it a popular choice for cockfighting in many parts of the world.
However, these same qualities make them less than ideal as pets. The Asil is a good choice if you’re looking for an aggressive chicken breed.
They are among the best fighter breeds with high resistance to disease, speed, and agility.
They are so well-known for their natural aggression that they have been bred specifically to fight other roosters (sometimes even small animals).
For this reason, the Asil would not be a suitable pet for most people – especially if you live close to others!
4. American Game
The American Game chicken is one of the most aggressive chicken breeds developed in the United States.
This chicken is known for its gameness, an innate quality that allows it to fight until death.
American Games are also known for their large size and muscular build. The American Game is a good choice if you’re looking for an aggressive chicken breed.
They’re larger than most breeds, weighing around 10 pounds, and can run fast!
5. Modern Game Chicken
Modern Game Chickens are a type of chicken developed in the United Kingdom in the 19th century.
They are bred for their fighting ability and are considered one of the most aggressive chicken breeds.
If you are looking for a chicken that is not afraid to fight, then the Modern Game Chicken is the breed for you.
6. Old English Game Chicken
Old English Game Chickens are another type of chicken developed in the United Kingdom.
They are known for their courage and strength and are unafraid to take on any opponent.
The Old English Game Chicken is a perfect choice if you are looking for an aggressive chicken breed.
7. Oriental Game
The Oriental Game chicken is a very old breed used in cockfighting. Today, Oriental Games are considered rare and mostly kept as pets.
They are known for their aggression, which can be directed toward other chickens or humans.
They are also known for being very loud and active. If you’re looking for an aggressive chicken breed, the Oriental Game is a good choice.
It’s important to remember that these chickens were bred to fight each other, so if you plan on keeping them with other breeds of chickens, it’s best to keep them separated.
You may want to invest in protective gear to handle these birds without getting pecked!
8. Thai Game Fowl
The Thai Game Fowl is one of the most aggressive chicken breeds. The breed was developed in Thailand for use in cockfighting.
The Thai Game Fowl is a tall, muscular bird with long legs and a large body.
The breed has a reputation for being very aggressive and often used in cockfighting.
The Thai Game Fowl is not suited for life as a pet chicken and is not recommended for first-time chicken owners.
They also require special housing to keep them from injuring themselves or others.
As such, it’s best to consider other types of chickens before selecting this one if you’re looking for an affectionate animal to keep around the house.
9. Shamo
The Shamo is a Japanese breed of chicken used for fighting. They are not suited for life as a pet or backyard chicken and should only be kept by experienced owners.
This breed has several varieties and is one of the most aggressive chicken breeds.
10. Red Jungle Fowl
The Red Jungle Fowl is the wild ancestor of the domesticated chicken. These birds are incredibly aggressive and attack anything they perceive as a threat.
If you’re looking for a chicken that stands up for itself, then the Red Jungle Fowl is the breed for you!
Be careful because these chickens can get out of hand quickly if left unattended or untamed.
11. Lakenvelder
As the name implies, this Dutch breed gets its characteristic features from crossbreeding with local breeds from Lakenveld in Germany.
They have short legs and long necks, which gives them an upright posture.
12. Sumatra
Sumatra is also among the most aggressive chicken breeds from the island of Sumatra in Indonesia.
This chicken is known for being very aggressive and is not recommended for first-time owners.
The Sumatra has black plumage with a greenish sheen, which is usually quite large.
This chicken is also very loud and often attacks other chickens and animals, and the Sumatra is a good choice if you want an aggressive chicken breed.
They are generally docile around humans but are vicious towards other chickens.
They tend to be noisy but can compensate for this with their intelligence and loyalty to their owner.
13. Saipan Jungle Fowl
The Saipan Jungle Fowl is a breed of chicken native to the island of Saipan.
The breed was developed by selecting birds that were aggressive and had a high rate of reproduction.
The Saipan Jungle Fowl is considered one of the most aggressive chicken breeds. The breed is known for killing other chickens and animals, such as rats and snakes.
Even humans can fall victim to this breed’s aggression; they attack human hands to get food. They are also very protective of their chicks and their territory.
14. Cubalaya
The Cubalaya is a chicken breed that originates from Cuba. It is known for being one of the most aggressive chicken breeds and is often used in cockfighting.
The Cubalaya is a tall chicken with a long body and neck. It has a large, rounded head with red wattles and combs.
The Cubalaya’s plumage is black and white, with black feathers covering most of the body.
Its tail feathers are greenish-black or brownish-black. These chickens weigh an average of 6 pounds each.
15. Buckeye
The Buckeye is a chicken breed developed in the United States in the late 19th century. It is a dual-purpose breed, meaning the chicken is used for meat and egg production.
Buckeye is known for its aggressive nature, making it difficult to keep as a pet, and this trait also makes them excellent guardians of other poultry.
The Buckeye is a good choice if you’re looking for aggressive chicken breeds.