Question

Why do toads lay their eggs in strings?

Answer 1

Typically such strings are attached to vegetation, but I found this one lying on moist sand. Toad eggs hatch into tiny black tadpoles, which weeks later metamorphose.

Answer 2

Explanation:

However, their eggs look very different. While toads' eggs are attached to grass or leaves near water edges, in long parallel strands that resemble strands of black beads, frogs