bullfrog

Old Croaky was a granddaddy bullfrog with whom they were very well acquainted, for he sang for them every evening.

In the green frog and bullfrog the metamorphosis is not completed until the beginning of the second summer.

"Better stay home, better stay home," croaked old Grandfather Bullfrog from his seat on a stump by the edge of the pond.

Oom Leeuw crept up slowly, quietly, like a skelm, behind Brother Bullfrog.

The bullfrog and leopard frog probably take heavy toll of both the adults and the newly metamorphosed young at the breeding ponds.