The ecology and life history The ecology and life history of the common frog (Rana temporaria temporaria) ecologylifehisto00sava Year: 1962 172 ECOLOGY AND LIFE HISTORY OF THE COMMON FROG exactly as a male. Voiceless before, she now grunts vigorously, with a note that is perceptibly but not greatly different from the male grunt. The combination of this warning note and the lack of stoutness that caused the male to retain her until she had laid her eggs results in a fairly rapid release. There is now no vigour in the grip of the males, but spent females may often be retained for several minute
The ecology and life history The ecology and life history of the common frog (Rana temporaria temporaria) ecologylifehisto00sava Year: 1962 172 ECOLOGY AND LIFE HISTORY OF THE COMMON FROG exactly as a male. Voiceless before, she now grunts vigorously, with a note that is perceptibly but not greatly different from the male grunt. The combination of this warning note and the lack of stoutness that caused the male to retain her until she had laid her eggs results in a fairly rapid release. There is now no vigour in the grip of the males, but spent females may often be retained for several minutes. It seems improbable that a spent female would have much difficulty in
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