0 a close group of frog's eggs, each egg being a small almost transparent ball with a black grain near its centre --
Viewers were encouraged to record key events indicating the passage of spring, including the first sign of frogspawn, blossom on hawthorn trees and the arrival of swifts.
Occasionally, fish eggs, frogspawn and tadpoles are eaten.
When several eggs are clumped together, they are collectively known as frogspawn.
I knew the meadows where we had marsh marigolds and ladysmock, ponds full of frogspawn, woods where the wood sorrel and bluebells grew, before the new housebuilding.
People record annual events such as the budding and leafing of deciduous trees and the first appearance of bluebells, frogspawn and bumble-bees.