Most Loyal Bird Pets 

Cockatoo Cockatoos are fun-loving, intelligent,  and loyal pets.

Budgerigar They are loyal and friendly bird species.and loyal pets.

Cockatiel Cockatiels are extremely affectionate and can become attached to their owners.

African Grey Parrot These are highly intelligent, loyal, and sociable birds.

Macaw They are also very playful and love to interact with humans.

Dove Doves are mostly monogamous and stay together throughout their lives.

Lovebirds They are also very territorial and defend their territory against intruders.