The different varieties of swallows in France

Introduction

Swallows are among the most beloved birds in France. Symbols of spring and the return of fine weather, they also play an essential role in natural balance by consuming large quantities of insects.

In France, several species of swallows can be observed. Some live close to human habitation, while others prefer cliffs, countryside, or wetlands.

This guide presents the main varieties of swallows visible in France, their characteristics, habits, and solutions to encourage their presence through suitable nest boxes.

Why protect swallows?

Swallow populations have been declining for several decades due to several factors:

• Disappearance of nesting sites
• Renovation of old buildings
• Use of pesticides
• Scarcity of insects
• Climate change

Installing a nest box and preserving their breeding areas directly contributes to their protection.

1. Barn Swallow

Identification Card

• Scientific name: Hirundo rustica
• Size: 17 to 21 cm
• Wingspan: 32 to 34 cm
• Weight: 16 to 25 g

How to recognize it?

The Barn Swallow is the best known. It has:

• A shiny blue-black back
• A dark red throat
• A pale belly
• A long, deeply forked tail with characteristic streamers

Habitat

It nests mainly:

• In barns
• Stables
• Open hangars
• Agricultural buildings

Peculiarities

• It builds an open mud nest.
• It often returns to the same spot each year.
• A single swallow can catch several thousand insects per day.

Recommended nest box

An open nest box or a support board placed under an overhanging roof is perfectly suitable.

2. House Martin

Identification Card

• Scientific name: Delichon urbicum
• Size: 13 to 15 cm
• Wingspan: 26 to 29 cm

How to recognize it?

This species is distinguished by:

• Its blue-black back
• Its entirely white belly
• Its very visible white rump
• A less forked tail than the Barn Swallow

Habitat

The House Martin lives mainly:

• In cities
• In villages
• Under cornices and roof edges

Peculiarities

• Its nest is almost completely enclosed.
• It often lives in colonies.
• It appreciates high, sheltered facades.

Recommended nest box

Artificial nest boxes made of woodcrete or terracotta installed under roofs are particularly suitable.

3. Sand Martin

Identification Card

• Scientific name: Riparia riparia
• Size: 12 to 13 cm
• Wingspan: 25 to 28 cm

How to recognize it?

It is the smallest of the French swallows.

It has:

• Discrete brown plumage
• A white belly
• A brown band across the chest
• A compact silhouette

Habitat

It nests in:

• Sandy cliffs
• Steep banks
• Quarries
• Riverbanks

Peculiarities

• It digs long tunnels in loose soil.
• It lives in sometimes very large colonies.
• It hunts insects over wetlands.

Recommended nest box

This species rarely uses traditional artificial nest boxes. The preservation of natural banks remains essential.

4. Eurasian Crag Martin

Identification Card

• Scientific name: Ptyonoprogne rupestris
• Size: 14 to 15 cm

How to recognize it?

It features:

• Uniform brownish-grey plumage
• A slightly forked tail
• Discrete white spots under the tail

Habitat

It is found mainly:

• In mountains
• In rocky areas
• On cliffs
• Under some bridges or isolated buildings

Peculiarities

• It is more discreet than other swallows.
• Its flight is fast and agile.
• It can stay longer in France depending on the region.

Recommended nest box

Supports under rocky overhangs or elevated buildings can encourage its nesting.

Differences between the main swallows

Swallow migration

Swallows are migratory birds.

Where do they go in winter?

Most swallows present in France migrate to:

• Sub-Saharan Africa
• Certain Mediterranean regions

When do they return?

Their return generally occurs between:

• March and May depending on the species and regions

Their arrival traditionally marks the beginning of spring.

How to attract swallows to your garden?

Preserve insects

Avoid the use of pesticides to maintain a sufficient food source.

Install suitable nest boxes

Each species has different needs:

• Open nest boxes for the Barn Swallow
• Semi-enclosed nest boxes for the House Martin

Leave mud available

Swallows use mud to build their nests.

Creating a small wet area in the garden can help them.

Encourage open spaces

Swallows need space to fly and hunt insects.

Where to install a swallow nest box?

Ideal location

• Under a roof overhang
• Sheltered from rain
• High up
• In a quiet place

Recommended height

Between 2.5 m and 5 m from the ground depending on the environment.

Orientation

Prefer an orientation:

• East
• Southeast

to avoid the high heat of the afternoon.

Mistakes to avoid

• Installing the nest box in full sun
• Positioning the nest in a highly frequented area
• Using chemicals nearby
• Destroying an occupied nest

In France, swallows and their nests are protected by law.

The ecological role of swallows

Swallows are valuable natural allies.

They contribute to:

• Regulating mosquito populations
• Reducing certain harmful insects
• Maintaining ecosystem balance

Their presence is also an excellent indicator of biodiversity.

Conclusion

The different varieties of swallows present in France each have their peculiarities, but all play an essential role in our environment.

Installing suitable nest boxes, preserving their habitats, and limiting pesticides are simple actions that help encourage their return year after year.

At FranceNichoirs, we encourage bird protection and the development of adapted solutions to sustainably welcome swallows into gardens, farms, and buildings.