A snowy tree cricket feeds on a leaf from a mountain dalea plant. Gerardine Vargas hide caption

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Slo-Mo Cricket Chirps Reveal Secret Serenades
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An aggressive encounter between two male greater prairie chickens (Tympanuchus cupido). During aggressive encounters, males leap into the air and strike their opponent with feet, wings and/or beak. Fort Pierre National Grassland, South Dakota. Gerrit Vyn/gerritvynphoto.com hide caption

toggle caption Gerrit Vyn/gerritvynphoto.com
Grunts And Gurgles Signal Love For Grouse
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Sounds Give Researchers Clues To Elephants
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Hum Along With Male Plainfin Midshipman Fish
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Alpha Bison: The Quieter Bellow Wins The Females
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Mating Rituals: Hammerhead Bats Honk To Woo
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Laughing's No Joke For Spotted Hyenas
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A Colony of Screechers And Wailers
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Frogs Pipe Up After Australian Desert Downpour
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A Bird With A Catlike Name — And Sound
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Proud Lyrebird Steps Up To The Microphone
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Sounds From The Wild: The Laughing Kookaburra
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