A western reef heron has been spotted in north Wales, marking what is believed to be the first ever sighting of the species in the UK. The bird, typically found in tropical regions between west Africa and India, was first seen in Foryd Bay before flying to nearby Caernarfon harbour where it fed among the boats.
Experts say the sighting demonstrates how changing climate conditions have altered the bird's range, allowing it to survive Britain's milder winters. According to Nick Moran, training manager at the British Trust for Ornithology, the heron's arrival is likely due to increasingly mild winters, making it easier for the bird to feed in shallow water bodies that no longer freeze over.
The western reef heron is not the only exotic bird to have been spotted in the UK in recent years. A squacco heron, another rare tropical bird typically found in southern Europe and north Africa, was seen in Lincolnshire this week. The sightings of these birds are a sign of the shift in biodiversity due to climate change, said Alexander Lees, reader in biodiversity at Manchester Metropolitan University.
Other notable tropical sightings in the UK include the black-winged kite, the brown booby, and the white-rumped swift. These birds are typically found in warmer climates but are now being seen in the UK due to the changing climate conditions.
While the western reef heron is likely to be an occasional visitor to the UK, its arrival is a sign of the changing times. As the climate continues to warm, it's likely that more of these exotic birds will be spotted in the UK.