Spawn to mature frogs

Last week, I estimated the proportion of frogs eggs that become mature adults. I wanted to know what wildlife groups were saying.  So I trawled the internet. An assortment of figures are quoted for eggs to mature adult. 1 in 50 is a common quote, though 1 in 12,000 is heard in our garden, an enormous span. I found this …

frogs

Frog Blog

In the garden yesterday, there were at least six frogs in the pond, and two more on the concrete outside the pond, hearing the croaking above them in the pond, but not knowing how to get to it. We have what we call a frog ladder, a ribbed piece of wood, slanting from ground to pond rim, but I have …