Brown Thrasher or Northern Cardinal?
Here's how to tell the difference
Brown Thrasher
Northern Cardinal
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
View full detailsNorthern Cardinal
Cardinalis cardinalis
Also known as: Redbird, Common Cardinal, Red Cardinal, Cardinal
General appearance
The Northern Cardinal averages 8 to 9 inches (20 to 23 cm) in length, equivalent to a Robin. It has a rounded wing shape and tail that can appear notched, rounded, or square-tipped. The bird's most distinguishing feature is its massive pink bill.
Male vs female
The male Northern Cardinal is our only red bird with a crest and is quite striking in appearance. On the other hand, the female is less vibrant, duller in color, encompassing hues of black, brown, gray, green, and tan, yet shares the crest and the distinctively large pink bill.
Juvenile
Juveniles of this species initially have a black bill, differentiating them from the adults. As they mature, their bill turns from black to the characteristic pink, and they inherit the crest from their parents, although their coloration may range from tan to red, depending on their sex.
Size
8.3 - 9.3 in/1.5 - 1.7 oz
There's more to learn about Northern Cardinal
View full detailsHow to tell the Brown Thrasher from the Northern Cardinal
Visual differences
The Brown Thrasher is larger, measuring about 11.5 inches, and has a rufous-brown back with black-striped underparts, yellow eyes, and a long tail. The Northern Cardinal is smaller, 8-9 inches long, notable for its massive pink bill and crest. Male cardinals are strikingly red, while females are duller with tans and browns. Both share a distinctive crest. The Brown Thrasher’s wings are broad and the tail is wedge-shaped, whereas the cardinal's wings are rounded, with a notched, squared, or rounded tail tip.
Key differences and behavior
The Brown Thrasher and Northern Cardinal, both state birds, exhibit distinct behaviors. Brown Thrashers are more aggressive and protective of their territories, particularly noted for their prolific singing with over 1,100 songs. In contrast, Northern Cardinals are less aggressive, and the female cardinal has a complex, longer song. Brown Thrashers forage by thrashing their bill to find insects and fruits, while cardinals primarily eat seeds and insects, frequently visiting bird feeders. Thrashers nest in dense low growth and involve both parents in nest-building, whereas cardinals prefer hiding nests in shrubs, with the female primarily building the nest. Brown Thrashers thrive in dense thickets and are sporadic feeder visitors; conversely, cardinals favor semi-open environments and are regular feeder guests, especially in winter. These behavioral traits aid in identifying them beyond their visual characteristics.
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