Thrush or Common Blackbird?

Here's how to tell the difference

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Thrush

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Common Blackbird

Thrush

Turdidae

General appearance

Thrushes are songbirds known for their brown to blue-grey upperparts and white underparts often with spots or markings. They have medium to long tails, and their size varies from small to medium. Some species have orange or red underwings, visible in flight.

Male vs female

In many thrush species, males and females have similar plumage, making it difficult to distinguish between them. However, in some species, males may have more vivid coloration or distinctive markings compared to females. There's often sexual dimorphism in size, with males being slightly larger.

Juvenile

Juvenile thrushes can resemble their parents, but they usually have duller plumage and less clear markings or spots. They may also be slightly smaller in size until full maturity. Their bills tend to be shorter and their feathers softer and fluffier.

Size

5.7 - 13.0 in/0.8 - 5.9 oz

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How to tell the Thrush from the Common Blackbird

Visual differences

Thrushes generally have brown to blue-grey upperparts with white, often spotted underparts, and range from 5.7 to 13 inches in length. In contrast, common blackbirds are 9.3 to 11.4 inches long, with males displaying jet black plumage and vivid orange-yellow beaks, while females are brown with streaky patterns. Thrushes often have medium to long tails with red underwings visible in flight, whereas blackbirds have slender bodies with long tails and characteristic yellow eye-rings, more pronounced in males.

Key differences and behavior

Thrushes and common blackbirds both thrive in wooded and urban habitats, but thrushes favor denser undergrowth. Thrushes are notable seed dispersers and exhibit elaborate courtship displays with males offering food. In contrast, common blackbirds mate for life, with males primarily singing to attract females. Both species build cup-shaped nests, but thrush nests are more commonly in shrubs, while blackbird nests can be as low as 13 feet. Both species' diets shift seasonally; however, thrushes focus more on protein-rich insects and worms, whereas blackbirds also consume snails and seeds. At feeders, they both enjoy fruits, but blackbirds might eat mealworms, mirroring their natural diet. Thrush species have more varied migratory patterns and weight ranges (0.8-5.9 oz) compared to the more sedentary common blackbird (3-4.8 oz).

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