Vocal sac
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The vocal sac is the flexible membrane of skin possessed by most male frogs and toads. The purpose of the vocal sac is usually as an amplification of their mating or advertisement call. The presence o
A fully distended vocal sac in an Australian red-eyed tree frog (Litoria chloris)
Italian tree frog (Hyla intermedia) with an inflated vocal sac
Marsh Frog Sac 0
Marsh Frog Sac 1
Toad
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Toad is a generic common name for certain groups of frogs, especially those of the family Bufonidae, that are characterized by short legs and dry, leathery skin with large bumps made of the parotoid g
Vocal sac
…The vocal sac is the flexible membrane of skin possessed by most male frogs and toads. The purpose of the vocal sac is usually as an amplification of their mating or advertisement call. The presence or development of the vocal sac is one…
Bombina bombina 1
Vietnamese folk painting "Nhân nghĩa"
Vietnamese folk painting "Lão oa giảng độc"