Grey Heron (Ardea cinerea) lives in wetland areas across Temperate Europe, Asia, and parts of Africa. It feeds on fish and frogs. Its conservation status is Least Concern.
Hear the Grey Heron
A real field recording of the Grey Heron, made in the wild.
Grey herons can tower up to a metre tall, with a wingspan that stretches as far as 1.95 m. Adults weigh between 1.02 kg and 2.08 kg. Their bodies measure 84-102 cm long. Their size also means a single adult can lift prey weighing over 100 g, sometimes up to 680 g.
A single grey heron can travel up to 20 km from its nest to find food, and in rare cases up to eight kilometres away to build a colony. GPS tracking of an adult showed it flew between its wintering grounds at Dongting Lake in China and its breeding site in Russia without stopping, using both day and night flights.
Grey herons can live for decades, but most only reach about five years in the wild. The oldest recorded individual lived 23 years, more than four times the average lifespan, showing that once they survive their first harsh winter, they can become long-term residents of a habitat. High juvenile mortality, only a third survive their second year.
In urban Netherlands, grey herons have turned city parks into hunting grounds, feeding on ornamental fish and even stealing food from zoo enclosures. Their adaptability lets them thrive where shallow water and tall trees exist, showing how a wetland specialist can become a city dweller. This flexibility also means they can impact fish farms, where studies in Ukraine recorded 84 % of their catch as carp, 12 % white carp and 4 % bighead carp, highlighting their role as both predator and potential pest.
Large heron colonies can reshape soil chemistry: a 15-year-old colony near the Volga-Kama confluence lowered soil pH to 4.5 and boosted phosphorus levels up to ten-fold and nitrogen levels up to two-fold compared with nearby forest. Such nutrient loading creates acidic, fertilised patches that affect plant communities and water quality downstream, illustrating how a single bird species can act as an ecosystem engineer.
Sources
Every fact above was checked against these pages, and kept only where one of them states it.
As the misty dawn breaks over the wetlands, a Grey Heron emerges, its slender form unfolding like a ghostly apparition from the reeds, its slow, deliberate strides a masterclass in patience and stealth. With each measured step, it wades deeper into the shallows, its piercing gaze scanning the murky waters for the telltale flicker of a fish, its dagger-like beak poised to strike with deadly precision. In this serene and mystical world, the Grey Heron reigns as a monarch of understated elegance, its very presence a reminder of the beauty and tranquility that can be found in the most unexpected of places.
Advertisement
Hear the Grey Heron, and 4,400+ more
Real recorded sounds, 11 nature games and a free Daily 5, 1v1 quiz duels, conservation wins and a safe Kids mode. Free on Feravox.
