Mockingbird vs Brown Thrasher

Mockingbird

Mimus

How to recognise a mockingbird?

General appearance

Mockingbirds are medium-sized birds, typically about 10 inches in length. Most notable are their gray coloration and prominent white patches on the wings and tail, visible during flight. Their bills are thin and slightly curved, while their eyes are yellow or orange. They are agile and active, often seen hopping and flitting among branches.

Male vs female

Mockingbirds exhibit limited sexual dimorphism, making males and females difficult to identify based on physical characteristics. Both genders are similar in size and share the similar gray and white coloration. However, males tend to be slightly larger and may have slightly brighter eye color. Male Mockingbirds are also more vocal than females, often heard mimicking a variety of sounds.

Juvenile

Juvenile Mockingbirds have similar coloration to adults, but they may appear duller, with a mottled or streaky appearance due to their immature feathers. Their eyes are typically darker than adults, often brown rather than the yellows or oranges seen in mature birds. Juveniles may also have a lighter or pinkish bill compared to the darker bills of adults.

Size

7.9 - 11.4 in/1.4 - 2.6 oz

Habitat

Primary habitat

Mockingbirds are native to North America, primarily in warmer climate zones. They prefer areas with open grasslands, desert edges, and thickets.

Additional range

Unexpectedly, they can also adapt to urban and suburban environments, often seen in parks, gardens, and residential areas.

Range Map

What do mockingbirds like to eat?

Natural diet

Mockingbirds have a diverse diet that includes insects, berries, and fruit. They are omnivorous and often feed on ants, beetles, grasshoppers, and other small invertebrates. In addition to insects, they consume a variety of fruits and berries from different plants such as mulberries, blackberries, and holly.

Bird feeders

At bird feeders, mockingbirds typically consume suet, peanut butter, and a range of fruits like apples, oranges, and grapes. They may also eat sunflower seeds and mealworms if available. Although mockingbirds are not primarily seed-eaters, they will visit feeders offering food that mimics their natural diet.

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Brown Thrasher

Toxostoma rufum

Also known as: Brown Thrush

How to recognise a brown thrasher?

General appearance

The Brown Thrasher is an approximately 11 1/2 inch (29 cm) bird, with a rufous-brown color above and a striped pattern below. It is notable for its long tail, yellow eyes, and a size comparative to a crow or robin. Its wings are broadly shaped with a long, rounded, wedge-shaped tail.

Male vs female

In the Brown Thrasher species, sexual dimorphism is not significant. Both males and females share similar physical traits and coloration, making it a challenge to differentiate them visually. They are both rufous-brown above and have black stripes.

Juvenile

As with many bird species, juvenile Brown Thrashers are similar to adults but have some differences. They may have a more muted or less defined coloration and patterning compared to adults, but they will develop the distinct adult plumage as they mature.

Size

9.3 - 12.0 in/2.2 - 3.1 oz

Habitat

Primary habitat

The brown thrasher typically inhabits areas with dense low growth like thickets, shrubbery and brush around the edges of deciduous or mixed woods, swamps, and open pine woods.

Additional range

It also occupies suburban areas with many shrubs and hedges in addition to similar habitats during the winter, which may include environments with dense brush.

Range Map

What do brown thrashers like to eat?

Natural diet

The brown thrasher's diet is varied, with a significant portion consisting of insects, including beetles, caterpillars, true bugs, grasshoppers, and cicadas. It also consumes spiders, sowbugs, earthworms, snails, crayfish, and occasionally lizards and frogs. In addition to its animal-based diet, berries and small fruits are important, especially in the fall and winter. It also eats many nuts and seeds, with a particular fondness for acorns.

Bird feeders

The brown thrasher may visit bird feeders, although it is not a primary feeder visitor. When it does, it is likely to be attracted to fruit, seeds, and nuts offered in the feeders. Providing a variety of such foods might entice the brown thrasher to visit those locations.

What does a brown thrasher sound like?

The Brown Thrasher produces a mixture of complex musical phrases, each typically repeated twice. Its vocalizations include sharp smacks named PatternComplex and diverge into Falling, Rising, and Undulating calls. The bird's versatile call types encompass a range of sounds from chirps and chips to flutes, trills, and whistles. Its songs showcase ranges, pitch shifts, and various rhythmic patterns, making it a unique songbird.

Song

Audio by Jonathon Jongsma

/ CC BY-SA 3.0

Song

Audio by Jonathon Jongsma

/ CC BY-SA 4.0

Song

Audio by Jonathon Jongsma

/ CC BY-SA 3.0

Song

Audio by Jonathon Jongsma

/ CC BY-SA 3.0

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Mockingbird

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Brown Thrasher

Mockingbird

Mimus

General appearance

Mockingbirds are medium-sized birds, typically about 10 inches in length. Most notable are their gray coloration and prominent white patches on the wings and tail, visible during flight. Their bills are thin and slightly curved, while their eyes are yellow or orange. They are agile and active, often seen hopping and flitting among branches.

Male vs female

Mockingbirds exhibit limited sexual dimorphism, making males and females difficult to identify based on physical characteristics. Both genders are similar in size and share the similar gray and white coloration. However, males tend to be slightly larger and may have slightly brighter eye color. Male Mockingbirds are also more vocal than females, often heard mimicking a variety of sounds.

Juvenile

Juvenile Mockingbirds have similar coloration to adults, but they may appear duller, with a mottled or streaky appearance due to their immature feathers. Their eyes are typically darker than adults, often brown rather than the yellows or oranges seen in mature birds. Juveniles may also have a lighter or pinkish bill compared to the darker bills of adults.

Size

7.9 - 11.4 in/1.4 - 2.6 oz

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Brown Thrasher

Toxostoma rufum

Also known as: Brown Thrush

General appearance

The Brown Thrasher is an approximately 11 1/2 inch (29 cm) bird, with a rufous-brown color above and a striped pattern below. It is notable for its long tail, yellow eyes, and a size comparative to a crow or robin. Its wings are broadly shaped with a long, rounded, wedge-shaped tail.

Male vs female

In the Brown Thrasher species, sexual dimorphism is not significant. Both males and females share similar physical traits and coloration, making it a challenge to differentiate them visually. They are both rufous-brown above and have black stripes.

Juvenile

As with many bird species, juvenile Brown Thrashers are similar to adults but have some differences. They may have a more muted or less defined coloration and patterning compared to adults, but they will develop the distinct adult plumage as they mature.

Size

9.3 - 12.0 in/2.2 - 3.1 oz

There's more to learn about Brown Thrasher

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How to tell the Mockingbird from the Brown Thrasher

Visual differences

Mockingbirds are about 10 inches in length and gray with white wing and tail patches. They have thin, slightly curved bills and yellow or orange eyes. Brown Thrashers are approximately 11.5 inches long, with rufous-brown upperparts, black stripes below, and yellow eyes. They have long, wedge-shaped tails. Mockingbirds' overall coloration is more uniform compared to the patterned Brown Thrashers. The Brown Thrasher's coloration and heavier weight (up to 3.14 oz) compared to the Mockingbird's lighter build (up to 2.57 oz) are key distinctions.

Key differences and behavior

Mockingbirds and Brown Thrashers, both skilled mimics, differ notably in behavior and habitat. Mockingbirds (10 inches long) are agile and active, often seen in open grasslands and urban areas, where they sing and mimic sounds extensively. Their courtship involves elaborate song displays and building nests in urban shrubs. Diet-wise, they are omnivorous, eating insects, fruits, and berries, and they frequent bird feeders for suet and fruits. In contrast, the slightly larger Brown Thrasher (11.5 inches) is territorial and aggressive, thrashing the ground for food in dense thickets and shrubs. During courtship, they sing loudly, building nests in dense vegetation. Their varied diet includes insects, small fruits, and nuts, with less frequent visits to feeders. While both species share vocal mimicry, mockingbirds are more urban-adapted and active at feeders, whereas brown thrashers prefer dense, quieter habitats.