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Common blackbird

life science Maturity 5-7 Next article →

The common blackbird, known scientifically as Turdus merula, is a prominent species of true thrush.

Male common blackbird with feed in Lausanne
Male common blackbird with feed in Lausanne

It is found across a vast range including Europe, western Asia, and North Africa. Humans have also introduced the species to Australia and New Zealand. In North America, people often call it the Eurasian blackbird. This specific name helps distinguish it from unrelated New World blackbirds. The species is famous for its melodious song and its ability to thrive in various environments.

Physically, the common blackbird shows significant differences between the sexes. The adult male of the nominate subspecies, Turdus merula merula, features glossy black plumage.

Turdus merula -autumn leaves -Budapest-8
Turdus merula -autumn leaves -Budapest-8

He also possesses a bright yellow eye-ring and an orange-yellow bill. In contrast, the adult female and juvenile birds have mainly dark brown plumage. This coloring provides better camouflage. The very young juveniles often have pale spots on their upperparts or a speckled breast. First-year males look similar to adults but have darker bills and weaker eye-rings.

Nederlandsche vogelen (KB) - Turdus merula (016f)
Nederlandsche vogelen (KB) - Turdus merula (016f)

These birds are omnivorous, meaning they consume a diverse diet to survive. They eat a wide range of items including insects, earthworms, berries, and various fruits.

Male common blackbird with feed in Lausanne
Male common blackbird with feed in Lausanne

Their habitat preferences vary depending on the available resources. They often breed in woods with deciduous trees and dense undergrowth. However, gardens are excellent breeding habitats for them. In fact, gardens can support up to 7.3 pairs per hectare. This is much higher than the density found in typical woodlands.

Blackbird and Kestrel
Blackbird and Kestrel

Behavioral patterns change based on the season and the environment. During the breeding season, both sexes are highly territorial. Males defend their space by chasing away other males. They also use a specific threat display called a "bow and run." During this display, the bird runs a short distance, raises its wings, and bows with its tail dipped. While they are territorial in spring, they become more gregarious during winter. Many birds follow different migratory patterns based on their latitude. Some remain resident year-round if the climate is temperate. Others are partially or fully migratory, moving toward the Mediterranean or North Africa in winter.

Scientific history provides deep insight into how we name this bird. Carl Linnaeus officially described the species in 1758 in his work, Systema Naturae. He gave it the binomial name Turdus merula. The genus Turdus includes about 65 species of medium to large thrushes. These thrushes are characterized by rounded heads and longish, pointed wings. Historically, the bird was also called an "ousel" or "wosel." Even William Shakespeare referenced the bird in his play, A Midsummer Night's Dream.

Taxonomy reveals that the common blackbird has many distinct subspecies. The nominate subspecies, T. m. merula, is found throughout much of Europe. Other subspecies include T. m. azorensis in the Azores and T. m. cabrerae in Madeira. In the Himalayas, the subspecies T. m. maximus lives at very high elevations. These birds can remain above high altitudes even during the winter. Other Asian subspecies, such as the white-collared or Tibetan blackbirds, were once considered part of this species. However, scientists now recognize them as separate species due to differences in voice and structure.

Chickenpie1
Chickenpie1

Understanding the common blackbird helps us see how birds adapt to human landscapes. Urban males are often more likely to stay in cities during winter than rural males. This is because cities offer a warmer microclimate and abundant food. This adaptation allows them to establish territories and begin reproducing earlier in the year. While they are often confused with starlings or ring ouzels, the blackbird remains a unique and conspicuous member of the thrush family.

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🖼️ Images & Media (12)
Common Blackbird song (Turdus merula).ogg
File:Turdus merula -autumn leaves -Budapest-8.jpg
Turdus merula -autumn leaves -Budapest-8.jpg
File:Nederlandsche vogelen (KB) - Turdus merula (016f).jpg
Nederlandsche vogelen (KB) - Turdus...
Turdus merula 2.ogg
Turdus merula (06 02 16).ogg
Turdus merula.ogg
Common Blackbird (Turdus merula)...
Common Blackbird (Turdus merula)...
File:Male common blackbird with feed in Lausanne.jpg
Male common blackbird with feed in Lausanne.jpg
File:Blackbird and Kestrel.jpg
Blackbird and Kestrel.jpg
File:SingSong6dcaldecott.jpg
SingSong6dcaldecott.jpg
File:Chickenpie1.JPG
Chickenpie1.JPG
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