Stranmillis University College, Belfast: There’s a fuss going on high up in the trees, as these early breeders have already got going with this year’s brood
A robin is singing. Moonlight gleams through the trees. These woods are home to a breeding colony of grey herons and, until recently, their incessant yells were part of the dawn chorus. Today, the quietness of an established heron nest high in a beech tree is good news. Herons share parental care and one of the pair is up there – right on time for these early breeders – brooding a clutch of eggs.
Another heron calls out as it swoops through a gap in the trees. The intense storms that preceded this year’s breeding season felled several trees – and their traditional nest sites. The incoming heron lands in a nearby pine tree, where its mate is guarding a messy bundle of twigs. This pair are still building their nest. Both male and female herons have long black crest feathers, and lacy plumes on the throat and back but, in this case, I’ve no trouble identifying the sexes. The male preens his mate before mounting her. There’s a few seconds of wing-flapping, squirming and tail-wagging. After he slides off, the female tucks her bill into her breast feathers and closes her eyes.
Continue reading...Read More