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Razorbill Identification

The Razorbill is a seabird of the North Atlantic, identified by its black-and-white plumage and its short, deep bill with a white line. You will learn how to identify the Razorbill, understand its behaviour at sea, its breeding habits, diet and distribution.
Its scientific name is '**Alca torda**', from the family Alcidae (order Charadriiformes)

Its scientific name is 'Alca torda', from the family Alcidae (order Charadriiformes)

What I look like

What I look like

The Razorbill is **slightly smaller than the Common Guillemot**.

The Razorbill is slightly smaller than the Common Guillemot.

The upper body is **blackish**.

The upper body is blackish.

The underside is **white** (the flanks are not streaked).

The underside is white (the flanks are not streaked).

It has a **short, thick, and truncated bill** with a **white line on the tip**.

It has a short, thick, and truncated bill with a white line on the tip.

It has a **thick neck, a long pointed tail, and a flatter back** than the Common Guillemot.

It has a thick neck, a long pointed tail, and a flatter back than the Common Guillemot.

Its **long pointed tail** is noticeable from behind or **on the water, with the tail raised**.

Its long pointed tail is noticeable from behind or on the water, with the tail raised.

**In flight**, the white sides are **more visible** than on the Common Guillemot. The **distinctive rump** and **feet under the tail** are also noticeable.

In flight, the white sides are more visible than on the Common Guillemot. The distinctive rump and feet under the tail are also noticeable.

In **breeding plumage**, the head and throat are **black**, the white line on the bill is **very distinct**, and a **white line appears between the bill and the eye**.

In breeding plumage, the head and throat are black, the white line on the bill is very distinct, and a white line appears between the bill and the eye.

In **non-breeding plumage**, the cheeks are **white**, which might **confuse it with the Common Guillemot** but it has a longer tail, no streaked flanks, and a white axillary area.

In non-breeding plumage, the cheeks are white, which might confuse it with the Common Guillemot but it has a longer tail, no streaked flanks, and a white axillary area.

**Juveniles** have a **smaller, thinner, and pointier bill** and do not have a **white line on the tip**.

Juveniles have a smaller, thinner, and pointier bill and do not have a white line on the tip.

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 Razorbill is **fairly silent**. It mostly vocalizes in colonies.

The Razorbill is fairly silent. It mostly vocalizes in colonies.

**Breeding birds** produce **low "urrr" sounds**, hoarse calls that resemble **growls**.

Breeding birds produce low "urrr" sounds, hoarse calls that resemble growls.

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 Razorbill **often flies in groups just above the waves** with **rapid wingbeats**.

The Razorbill often flies in groups just above the waves with rapid wingbeats.

It is a **skilled diver**. It **spreads its wings before tipping forward and then "flies" underwater**, using its feet as a rudder.

It is a skilled diver. It spreads its wings before tipping forward and then "flies" underwater, using its feet as a rudder.

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 Razorbill nests on **cliffs**, in **large cavities or scree**, and sometimes in **burrows like the Atlantic Puffin**.

The Razorbill nests on cliffs, in large cavities or scree, and sometimes in burrows like the Atlantic Puffin.

It nests **in isolated pairs** or in **loose colonies** (unlike the Common Guillemot which forms dense gatherings).

It nests in isolated pairs or in loose colonies (unlike the Common Guillemot which forms dense gatherings).

It lays a **single pyriform egg**, conical in shape to prevent it from rolling, directly on the rock.

It lays a single pyriform egg, conical in shape to prevent it from rolling, directly on the rock.

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 Razorbill feeds on **fish and crustaceans**.

The Razorbill feeds on fish and crustaceans.

To find food, they **fish in groups and dive into schools of fish**.

To find food, they fish in groups and dive into schools of fish.

It can **catch several fish at once** in its bill.

It can catch several fish at once in its bill.

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 Razorbill is **pelagic** (lives in open sea).

The Razorbill is pelagic (lives in open sea).

It is found in the **Atlantic Ocean as far south as northern Africa**.

It is found in the Atlantic Ocean as far south as northern Africa.

For **nesting**, it comes **to the coasts** and goes down the Atlantic coast **as far as Brittany**.

For nesting, it comes to the coasts and goes down the Atlantic coast as far as Brittany.

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

It can live for about twenty 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