Places · PLC·14

Ravens in the Alps: Ecology, Altitude, and Mountain Life

[science] Common Ravens are year-round Alpine residents from valley floors to above 3,000m — among the highest-altitude passerines in Europe. They exploit chamois and ibex carrion on high snowfields, nest on limestone cliff faces, and have adapted extensively to ski-resort food subsidies. The Alps support one of the densest raven populations in central Europe, with the species present in all Alpine countries.

Alpine Habitat and Altitude Range

[science] Ravens occupy a wider altitudinal range in the Alps than almost any other resident bird:¹

Valley floor to subalpine zone (up to ~1,800m): mixed habitat — forests, farmland, villages. Ravens nest on cliff faces in valley walls, gorges, and quarries. They exploit agricultural carrion, road kill, and refuse in lower zones.
Alpine zone (1,800–2,800m): above the treeline, ravens exploit ungulate carrion (chamois, ibex) on steep rocky terrain. Nests at this altitude are typically on exposed cliff faces above scree and glacier margins.
Nival zone (above 2,800m): ravens range into this zone to scavenge on snowfields, particularly around ibex populations and at high-altitude passes. Breeding at this altitude is rare; foraging visits are documented.

This altitudinal flexibility means Alpine ravens are present year-round even in areas with significant winter snowpack — their large body size and efficient thermoregulation allows them to remain on territory while other corvids descend to lower altitudes.

Food Sources and Ungulate Ecology

[science] Alpine raven ecology is closely tied to mountain ungulate populations:¹²

Chamois (Rupicapra rupicapra): the chamois is the primary wild carrion source for Alpine ravens. Chamois killed by avalanche, falls, or winter starvation represent episodic large carrion events that ravens exploit communally. Ravens have been documented at chamois carcasses within hours of death.
Alpine ibex (Capra ibex): reintroduced across the Swiss Alps in the 20th century, ibex populations have increased substantially, providing a larger carrion base. Ravens at Gran Paradiso (Italy) and the Bernese Oberland (Switzerland) have been studied in relation to ibex mortality.
Red deer and roe deer: in lower Alpine zones, deer carrion is an important winter food source, particularly in areas with significant hunting. Ravens follow hunting parties and exploit gut piles left at shooting sites.
Lammergeier association: the bearded vulture (lammergeier, Gypaetus barbatus), reintroduced to the Alps from 1986, is a food competitor for large carrion. Ravens and lammergeiers co-occur at carcasses, with the lammergeier's bone-feeding specialisation reducing direct competition.

Ski Resorts as Food Subsidies

[science] The expansion of Alpine ski tourism since the mid-20th century has created a substantial food subsidy for mountain ravens:²

Mountain restaurants (Bergrestaurants, refuges, rifugi) produce food waste that ravens exploit. Ravens at high-altitude restaurants are often tame enough to take food from tables — a parallel to the coastal situation where ravens exploit fishing harbours.
Car parks at ski resorts concentrate food waste and represent predictable winter food sources when natural carrion is scarce or inaccessible under deep snow.
Ravens have been documented opening rubbish bags and stealing from unattended rucksacks at Alpine huts — behaviour requiring problem-solving skills consistent with their cognitive capabilities.

Conservation Status in the Alps

[science] Ravens were heavily persecuted in the European Alps through the 19th and early 20th centuries — shot as vermin threatening livestock. They were extirpated from large parts of their Alpine range by 1900 and recovered during the mid-20th century as protection improved. Today ravens are legally protected across all Alpine countries under national wildlife legislation and the EU Birds Directive. Population trends in Switzerland, Austria, and France show stable to slightly increasing numbers. The species is not of conservation concern in the Alpine region.¹

Frequently Asked Questions

Are there ravens in the Alps?

Yes — Common Ravens (Corvus corax) are year-round residents of the European Alps, occurring across all Alpine countries: France, Switzerland, Italy, Austria, Germany (Bavarian Alps), Liechtenstein, and Slovenia. They are found from low valley habitats up to and beyond 3,000m in summer. Alpine ravens exploit a range of food sources including ungulate carrion (chamois, ibex, red deer), refuse at ski resorts and mountain restaurants, and invertebrate prey in summer. Their population across the Alps has been stable to slightly increasing in recent decades as large-ungulate populations have recovered.

How high do ravens fly in the Alps?

Common Ravens have been recorded at considerable altitude in the Alps — the species is documented above 3,000m at several Swiss and Austrian sites, and raven sightings above 4,000m are recorded from Mont Blanc and other high peaks, though these are likely birds in transit or foraging at exceptional altitude rather than regular high-altitude residents. Ravens nest on cliff faces typically between 500m and 2,500m in the Alps, with most nests in the 800–1,800m range. Their large body mass and soaring capability allows them to exploit thermals above mountain ridges, and they have been recorded soaring alongside lammergeiers (bearded vultures) above glaciated terrain.

Do ravens follow skiers and tourists in the Alps?

Yes — Alpine ravens are strongly associated with human activity in mountain environments. At ski resorts throughout the Alps, ravens are regular attendants at outdoor restaurants, rubbish disposal areas, and car parks. They have learned to exploit the food waste associated with ski tourism and are often bold enough to approach tables and steal food from skiers. This human-subsidy effect is well documented: raven densities near ski resorts are significantly higher than in undisturbed alpine terrain at comparable altitude. Ravens at Zermatt, Grindelwald, St Moritz, and other major Alpine resorts are regularly photographed and are locally regarded as a characteristic feature of the ski environment.

Sources

del Hoyo, J., Elliott, A. & Christie, D. (eds.) (2009). Handbook of the Birds of the World, Vol. 14. Lynx Edicions. — Alpine distribution, altitude records, habitat range, conservation status.
Marzluff, J.M. & Angell, T. (2005). In the Company of Crows and Ravens. Yale University Press. — human subsidy ecology, ski resort behaviour, chamois/ibex carrion association.

[science] peer-reviewed data