Grey Heron
Ardea cinerea
Quick answer
The grey heron stands motionless at water edges before spearing fish with its dagger bill, weighing about 1.5 kg and living 25 years. Adapted to urban parks worldwide, it flies at 40 km/h with neck retracted in an S-shape.
Grey Heron facts at a glance
| Scientific name | Ardea cinerea |
|---|---|
| Diet | Carnivore — fish, amphibians, rodents, and birds |
| Habitat | Wetlands, rivers, and coasts across Eurasia and Africa |
| Lifespan | 15–25 years in the wild |
| Weight | 1–2 kg (2.2–4.4 lb) |
| Top speed | Up to 40 km/h (25 mph) in flight |
| Conservation status | Least Concern (IUCN) |
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Aves |
| Order | Pelecaniformes |
| Family | Ardeidae |
| Genus | Ardea |
What is a group of grey herons called?
Group name (collective noun)
A group of Grey Herons is called a siege.
Baby name
A baby Grey Heron is called a chick.
Explore more animal collective nouns and baby animal names .
Distribution and habitat
Grey Herons live in Grey heron across Europe, Asia, and Africa from Britain to Japan and South Africa in wetlands and coasts. Preferred habitat includes wetlands, rivers, and coasts across eurasia and africa. Across Africa, Asia, Europe, population density reflects prey availability, water access, and human disturbance. Protected areas and wildlife corridors remain essential for long-term persistence.
Physical traits and behaviour
Grey Herons typically reach about 1 m in length and 1.5 kg in weight, with top speeds near 40 km/h. The patient wetland hunter. Daily activity, social structure, and seasonal movements reflect pressures in their native environment.
Diet and ecological role
Grey Herons feed on carnivore — fish, amphibians, rodents, and birds. Foraging shifts with season and local abundance. As birds, they influence food webs — controlling prey, dispersing seeds, or shaping habitat through feeding and movement.
Conservation and coexistence
Listed as Least Concern on the IUCN Red List. Habitat loss, hunting, and climate change threaten many populations. Responsible ecotourism and community conservation help in parts of their range. Never approach or feed wild grey herons.
Human interest and research
Grey Herons feature in folklore, tourism, and scientific study worldwide. Ongoing research tracks population trends, genetics, and responses to environmental change — data that guides national protection policies.
Dig deeper into the Grey Heron
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- How Long do Heron Live?
Dig deeper into grey heron — how long do heron live.
- What do Heron Eat
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- Where do Heron Live?
Dig deeper into grey heron — where do heron live.
Explore the Grey Heron
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Did you know? Grey Heron facts
- Grey herons stand motionless at water edges before spearing fish with dagger bills.
- Herons fly with neck retracted; cranes extend necks.
- Yes — garden ponds attract herons, especially at dawn.
- Conservation: Least Concern.
Diet & feeding
Grey Heron feeds primarily as a fish, amphibians, small mammals. Herons wait minutes for prey, striking in milliseconds.
Adaptations
- Herons wait minutes for prey, striking in milliseconds.
- Pond fish in city parks support growing urban heron populations.
Behaviour & ecology
- Herons wait minutes for prey, striking in milliseconds.
- Pond fish in city parks support growing urban heron populations.
Communication
- Grey Heron uses calls and visual displays to communicate territory, alarm, and breeding status.
- Vocal repertoires vary by species and are often learned or refined during development.
Habitat & range
Wetlands, rivers, and coasts across Eurasia and Africa
Ecological role
Grey Heron contributes to seed dispersal, insect control, or nutrient cycling depending on diet and foraging habits.
Frequently asked questions about the Grey Heron
Where do grey herons live?
Grey heron across Europe, Asia, and Africa from Britain to Japan and South Africa in wetlands and coasts.
What do grey herons eat?
Carnivore — fish, amphibians, rodents, and birds.
How long do grey herons live?
About 25 years in the wild on average.
Are grey herons endangered?
IUCN status: Least Concern.
What is a group of grey herons called?
A group of Grey Herons is called a siege.
What is a baby grey heron called?
A baby Grey Heron is called a chick.
Sources & references
This guide is compiled and reviewed against established zoological and conservation references. Key sources for the Grey Heron:
-
IUCN Red List of Threatened Species
Conservation status (Least Concern) reflects the IUCN Red List category for Ardea cinerea.
- IUCN Red List — Ardea cinerea.
Conservation status (Least Concern) and population trends.
- Animal Diversity Web — Ardea cinerea. University of Michigan Museum of Zoology.
Life history, morphology, and range.
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How we research, source, review, and update every guide for accuracy.
