Afrískur klófroskur, Guffý, að borða rækju Although lacking a vocal sac, the males make a mating call of alternating long and short trills, by contracting the intrinsic laryngeal muscles.
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Afrískur klófroskur, Guffý, að borða rækju Although lacking a vocal sac, the males make a mating call of alternating long and short trills, by contracting the intrinsic laryngeal muscles.