Grant delivers the eggs and uses Billy's raptor resonating chamber to confuse the pack.
From the en.wikipedia.org
Some species have an enlarged throat sac, which inflates and serves as a resonating chamber when the animals call.
From the en.wikipedia.org
The dominant feature of the proboscis is the male's large nose, which is used as a resonating chamber to amplify his call.
From the washingtonpost.com
The resonating chamber increases the volume of the sound produced by the tongue and presents the sound through an open port.
From the en.wikipedia.org
During filming, Harrison noticed a sitar, a long-necked string instrument that uses a bulbous gourd for its resonating chamber and resembles a giant lute.
From the timesunion.com
Later in one of the research tents, Billy reveals the replica of a Velociraptor's resonating chamber he created after scanning a raptor skull.
From the en.wikipedia.org
Some scientists speculate the crest on the skull of some duckbills may have served a resonating chamber to make deep, loud sounds for communication purposes.
From the sciencedaily.com
Harrison had grown fascinated with the sitar, a long necked, string instrument that uses a bulbous gourd for its resonating chamber and resembles a giant lute.
From the latimes.com
The sound forms naturally when it's resonating in a giant chamber.