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Greylag Goose Identification

The Greylag Goose is a large, sturdy waterfowl with grey-brown plumage, a thick neck and an orange bill. It mainly inhabits wetlands across Europe. You will learn how to identify the Greylag Goose, recognise its calls, understand its behaviour, breeding, diet and preferred habitats.
Its scientific name is '**Anser anser**', from the family Anatidae (order Anseriformes)

Its scientific name is 'Anser anser', from the family Anatidae (order Anseriformes)

What I look like

What I look like

The Greylag Goose is a **large, robust waterfowl**.

The Greylag Goose is a large, robust waterfowl.

Its **powerful legs**, dull pink or orange, are adapted for **walking**.

Its powerful legs, dull pink or orange, are adapted for walking.

Its plumage is in **gray-brown tones** with a **lighter underside** and darker upper parts.

Its plumage is in gray-brown tones with a lighter underside and darker upper parts.

Its neck is **long and thick** with a **large, light-colored head**.

Its neck is long and thick with a large, light-colored head.

It has a **large, conical orange bill** with the upper mandible having **grooved edges**.

It has a large, conical orange bill with the upper mandible having grooved edges.

Its wings are **broad**.

Its wings are broad.

They are also **contrasted** with light front and dark rear.

They are also contrasted with light front and dark rear.

**In flight**, you can also notice its **light gray rump and tail** marked with a **wide white edge**.

In flight, you can also notice its light gray rump and tail marked with a wide white edge.

Juveniles are recognized by the **dark tip of the bill**.

Juveniles are recognized by the dark tip of the bill.

Want to learn to recognize birds quickly by their shapes and morphology? The course "Ornitho Mnemolia - Water birds" guides you step by step. Start the course
My songs, my calls

My songs, my calls

The Greylag Goose produces **nasal honking sounds**. Sometimes you can hear a **trisyllabic call** "auk-aug-aug"…

The Greylag Goose produces nasal honking sounds. Sometimes you can hear a trisyllabic call "auk-aug-aug"…

or a **high-pitched, long initial sound**. "kyiaa-ga-ga-ga-ga-ga…"

or a high-pitched, long initial sound. "kyiaa-ga-ga-ga-ga-ga…"

Identifying a bird by its song is easier than you think. The course "Ornitho Mnemolia - Water birds" trains you with progressive audio quizzes. Start the course
How I behave

How I behave

The Greylag Goose is **gregarious** (lives in groups), especially in winter and during migration.

The Greylag Goose is gregarious (lives in groups), especially in winter and during migration.

It is **wary**, but can become **tame**.

It is wary, but can become tame.

It is an **excellent swimmer**, but spends **a lot of time on land** to feed and graze.

It is an excellent swimmer, but spends a lot of time on land to feed and graze.

Its flight is **heavy**. It often adopts **V-formations**, especially during migrations.

Its flight is heavy. It often adopts V-formations, especially during migrations.

Reading a bird's behavior changes everything in the field. The course shows you the key attitudes to recognize. Start the course
How I reproduce

How I reproduce

The Greylag Goose builds its **nest on the ground**. It will be **lined with down**.

The Greylag Goose builds its nest on the ground. It will be lined with down.

Adults **lose all their flight feathers** at once and cannot fly for several weeks. They **take care of the young**.

Adults lose all their flight feathers at once and cannot fly for several weeks. They take care of the young.

Understanding the species' life cycle helps you observe them better… and avoid disturbing them. The course covers everything you need to know. Start the course
What I eat

What I eat

The Greylag Goose is **herbivorous**.

The Greylag Goose is herbivorous.

It feeds on **aquatic or terrestrial plants**, roots, and seeds.

It feeds on aquatic or terrestrial plants, roots, and seeds.

To find birds more easily, you need to know their feeding habits. The course teaches you where to look and why. Start the course
Where to find me

Where to find me

The Greylag Goose is often found in **various wetland habitats** (reed-fringed ponds, marshes, lake islets, brackish coast).

The Greylag Goose is often found in various wetland habitats (reed-fringed ponds, marshes, lake islets, brackish coast).

It winters in the **southwest of Europe**.

It winters in the southwest of Europe.

In summer, it is observed **in large numbers in Europe**.

In summer, it is observed in large numbers in Europe.

It can live for about **seventeen years**.

It can live for about seventeen years.

Finding a species also means understanding its habitat. The course "Ornitho Mnemolia - Water birds" helps you locate each bird in the right place. Start the course