8 loudest birds in the world

Common Grackle: The Common Grackle is a blackbird with a harsh, creaky call that can be quite loud and piercing.

Blue Jay: They are colorful birds with a harsh, loud call that can be heard from a distance.

Red-winged blackbird: This bird is known for its distinctive "conk-la-ree" call, which can be quite harsh and loud. 

European Starling: These birds have a varied and harsh vocalisation that includes a mix of whistles, clicks, and squawks. 

American Crow: They have a harsh cawing call that is loud and recognizable.

Northern Mockingbird: It is famous for its ability to mimic the sounds of other birds and even mechanical noises.

Brown Thrasher: They have a harsh, repetitive call that can be quite loud.

Yellow-headed Blackbird: They have a harsh, grating call that is distinctive and loud. 

This information is not DNA's opinion but obtained from media reports