Agile Frog

• It can leap as far as 2 metres on its long hind legs.
• The male calls underwater, with no visible vocal sacs.
• It is mostly terrestrial and active by day, unusual for a frog.

Skeleton type

Vertebrate - internal bony skeleton (amphibian)

Habitat and environment

Damp woodland and meadows near water across much of Europe, absent from the far north of the continent

Birth weight

Eggs laid in submerged jelly masses

Size at birth

A tadpole after hatching, completing metamorphosis in some 102 days at a size of 10 mm

Sexual maturity

2 years (some males mature in their first year)

Gestation / incubation

102 days of larval development after hatching

Litter / clutch size

450 to 1,800 eggs per clutch (some sources give 1,434 as the reference figure)

Sources consulted: World Species · ResearchGate (Iberian Peninsula growth maturity study) · ScienceDirect (growth size maturity study) · GoneFroggin · Lifeamphicon.eu

Best time: From February to April, during spawning, when it lays masses of eggs anchored to submerged branches in ponds and forest ditches.