- ... that the call of the male river frog (pictured) can be described as a "deep, low-pitched, rolling snore"?
- ... that breeding in the southern toad (pictured) can be triggered by heavy rain?
- ... that the humming frog aestivates in an underground burrow during the hottest part of the summer?
- ... that the bird-voiced treefrog and the pine woods treefrog can be recognised by their distinctive calls?
- ... that the Pyrenean frog breeds in mountain streams after the snow has melted?