In fact, the White Bellbird has the loudest
The Limpkin - this bird is known for its noisy cry which sounds like a loud scream.
The screaming piha (Lipaugus vociferans) is a species of passerine bird in the family Cotingidae. It is found in humid forests in the Amazon and tropical parts of the Mata Atlântica in South America. They are most notable for their extraordinarily loud voice.
White bellbird: listen to the world's loudest bird call - YouTube.
The loud, distinctive call of the laughing kookaburra is widely used as a stock sound effect in situations that involve an Australian bush setting or tropical jungle, especially in older movies. Cladogram based on the molecular analysis by Andersen and colleagues published in 2017.
Hill mynahs (tropical members of the starling family of birds) are renowned for their ability to mimic the human voice. It has been claimed that the hill mynah is the best talking bird and the best mimic in the world.
The bush stone-curlew is probably heard more than it is seen. Its call sounds like a wail or a scream in the night. When scared, it screeches – a sound similar to the screech of a possum. A field report from Brookton, Western Australia, noted that their call was heard in response to the cry of possums shot by hunters.
Lyrebird in Australia perfectly mimics crying baby - YouTube. Not many birds can compare to the vocal range of the Australian lyrebird, and Taronga Zoo's lyrebird, Echo, is no exception.
Barn Owls don't hoot the way most owls do; instead, they make a long, harsh scream that lasts about 2 seconds.
Considered by many to be the smartest of the talking birds, the African grey parrot can expand its vocabulary of hundreds of words. These birds are known for their exceptional understanding and imitation of human speech.
African Greys: Generally considered the most intelligent talking bird species, with speaking/thinking abilities comparable to human toddlers, the Timneh Grey parrot typically learns to talk earlier in life than the Congo African Grey.
A lyrebird has been filmed mimicking the ear-splitting wail of a human baby. If you were blindfolded, the bird's noises could fool you for a sobbing child. The bird, named Echo, lives at Sydney's Taronga Zoo which is where he was filmed seemingly crying and screaming.
Spotted Catbirds are named for their bizarre cat-like wailing calls (some say it sounds more like a baby crying!)
Lyrebirds really are capable of sounding like screaming babies!
Their scientific name is Burhinus grallarius but you might know them by their other names: Bush Thick-knee, Southern Stone-curlew, Southern Stone-plover, Weeloo, Willaroo, Angelbird and Scrub curlew. You'll often hear them calling out at night, during breeding season, or before rain.
It's a Kookaburra! The loud distinctive call of the laughing kookaburra is widely used as a stock sound effect in situations that involve an Australian bush setting or tropical jungle, especially in older movies.
The repeated, sad-sounding trill of Fan-tailed Cuckoos is one of the most distinctive sounds of the Australian bush in Spring. Sometimes males sit and sing for long periods, particularly just after dawn or towards dusk and like most cuckoos, during the night as well.
It's a Potoo bird, when it makes noise it sounds like a teen yelling for its mom.
The Barking Owl (Ninox connivens) is a medium-sized owl found throughout Australia, although it is generally absent from the arid central regions. They can also be found in parts of New Guinea and the Moluccas.
To persuade females to come close, the male lyrebird sings the most complex song he can manage. And he does that by copying the sounds of all the other birds he hears around him – including the sounds of chainsaws and camera shutters!
Male bellbirds likely evolved their piercing calls to attract and impress females in the Amazon rainforest, where they live. The males alternate between two calls, as seen in the video above. The softer of the two still reaches an ear-jarring 117 decibels—louder than most jackhammers.
"You're not hearing things, our resident lyrebird Echo has the AMAZING ability to replicate a variety of calls - including a baby's cry." Echo is a superb lyrebird (Menura novaehollandiae), an Australian bird named for the shape of its tail during courting, according to Britannica.
Tufted Titmouse. The Tufted Titmouse is another common backyard bird whose high-pitched song includes several clear notes that sound like human whistling. In fact, this bird's name comes from the tuft of feathers on its head, which makes it look like it's wearing a tiny titmouse hat!