Mistle Thrush or Song Thrush: How to Tell the Difference?

Mistle Thrush or Song Thrush: How to Tell the Difference?

The song thrush and mistle thrush are two different species in the thrush family that are often confused by birdwatchers. This is because they both share similarities in their habits and appearance. For example, both of these birds have mottling on their breasts, and both can be found in gardens around the country feeding on lawns and in bushes with berries.

The main differences between the two birds are that song thrushes have a rounder appearance and have lighter breasts with markings that look like upside-down hearts or arrowheads. Mistles thrushes appear lighter and almost grey at first glance. The breast of a mistle thrush also has harsher markings that look like thorns.

It's unlikely that you'll confuse these two with any other birds, but on occasion, female Blackbirds can be paler and have some streaking on the upper parts of their breasts. The best way to distinguish if it's a blackbird would be to look at the legs, as legs of a blackbird tend to be a reddish-brown or dark. Mistle and Song Thrushes both have paler coloured legs.

About the Song Thrush

The song thrush is mainly brown all over with lighter colourings on their breasts. These breasts have darker spots, which look a bit like an arrowhead or upside-down heart. These birds are smaller in size than a blackbird and, compared to the mistle thrush, are more rounded in appearance.

The tail shares the same colour as the upperparts, and compared to the mistle thrush; the song thrush has no white outer tail feathers. Under the wing is a rusty-buff colour - this can sometimes extend down the flanks of the bird. The wing feathers have an orange-buff colour on the edges. Males and females look similar.

The song thrush produces a repetitive song with notes like ‘seoo, seoo, seoo, tidic, tidic, tidic, tew, tew, tew.’ The call is comparable to the clicking sound a bicycle wheel makes whilst spinning around.

A song thrush

A song thrush

About the Mistle Thrush

The mistle thrush is larger than a blackbird in size and is much lighter in its colourings at first glance, and almost appear grey. The spots on the breast look more like thorns. Spots on the flanks and belly appear much more round compared to the song thrush.

The colour of the tail usually contrasts will the lighter lower back and rump. Tails also have outer edges that are paler. Under the wings is a white colour, and wingtips are white on the edges. Male and females have a similar appearance.

On the ground, mistle thrushes can usually be seen looking alert in an upright posture.

The mistle thrush song is fairly similar to the blackbird but is much shorter and has more of a gloomy tone. The call has been compared to the noise an old-fashioned football rattle makes, as it's a dry rattling sound.

Mistle Thrush (Credit: Yuriy75, CC BY-SA 3.0)

Mistle Thrush (Credit: Yuriy75, CC BY-SA 3.0)

Which is the most common?

The most common between the two is the song thrush. This is because the song thrush has an estimated breeding population of approximately 1 million. The mistle thrush, on the other hand, is estimated around a fifth of this figure.

So statistically, more often than not, you'll be looking at a song thrush in your garden.

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