Yellow-Rumped Warbler vs Townsend’s Warbler

Yellow-Rumped Warbler

Setophaga coronata

Also known as: Butterbutt

How to recognise a yellow-rumped warbler?

General appearance

The Yellow-rumped Warbler is approximately the size of a Sparrow, clocking in at 5-6 inches (13-15 cm). The bird has a black, blue, brown, gray, white, and yellow plumage, and a distinctive bright yellow rump patch. Its tail features white spots, and there's a small yellow patch at the side of its chest. The face of the bird varies, with the 'Myrtle Warbler' having a white throat, and the 'Audubon's Warbler' boasting a yellow throat.

Male vs female

Males tend to have the brightest coloration, particularly in the spring. Females, particularly young ones in the fall and winter, exhibit a comparatively duller pattern. The 'Myrtle Warbler' variant possesses a well-defined dark cheek patch behind its white throat.

Juvenile

Juvenile Yellow-rumped Warblers may manifest a dull buff throat, particularly in some 'Myrtle Warbler' young ones. Juvenile females in the fall and winter present the dullest coloration.

Size

5.3 - 5.7 in/0.4 - 0.6 oz

Habitat

Primary habitat

The yellow-rumped warbler prefers conifer and mixed forests, particularly those with open stands of pine, fir, spruce, aspen, and spruce-tamarack bogs. They typically breed in the North and up to altitudes of 12,000' in Western mountain conifer forests.

Additional range

This species demonstrates a wide winter range, occupying diverse lowland habitats such as open woods, brush, thickets, gardens, and even beaches. Notably, it frequents East coastal bayberry thickets and West streamside woods.

Range Map

What do yellow-rumped warblers like to eat?

Natural diet

The yellow-rumped warbler has a diverse natural diet. During warmer months, it predominantly feeds on insects such as caterpillars, wasps, grasshoppers, gnats, aphids, and beetles, as well as spiders. In winter, when insects are scarce, it shifts to consuming berries. The warbler feeds on the berries of bayberry, juniper, wax myrtle, poison ivy, and other plants. A unique feature of its diet is its ability to digest the wax in these berry coatings, enabling it to winter further north than most other warbler species.

Bird feeders

At bird feeders, the yellow-rumped warbler may consume suet, peanut butter, and sunflower seeds. Offering a variety of foods can attract and sustain these birds, especially when natural food sources are limited.

What does a yellow-rumped warbler sound like?

The yellow-rumped warbler produces a range of vocalizations. Its typical call includes a colorless buzzy warble and a sharp 'chek!'. The bird's call pattern is flat and undulating, varying the pitch with a rhythmic sense. The yellow-rumped warbler's songs encompass call types such as 'chirp/chip', a trilling sound, and a whistle, all demonstrating a diverse vocal repertoire.

Song

Audio by Jonathon Jongsma

/ CC BY-SA 3.0

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Townsend’s Warbler

Setophaga townsendi

How to recognise a Townsend's warbler?

General appearance

A Townsend’s warbler measures 4 1/4-5" or 11-13 cm, approximately the size of a Sparrow. This bird showcases a vibrant palette of Black, Green, White, and Yellow. It possesses a distinctive face pattern where bright yellow surrounds a dark cheek. Its back is green, while its chest is yellow, with white wing-bars and streaked sides. Its tail shape is notched and square-tipped.

Male vs female

In adults, there is a notable difference in the throat coloration between genders. Males sport a black throat, adding to their dynamic color pattern, whereas females have a predominantly yellow throat, ensuring differentiation in the wild.

Juvenile

Similar to females, young Townsend’s warblers also have a mostly yellow throat. This trait, paired with their size, may be helpful in distinguishing them from the black-throated adult males. As they grow and mature into adulthood, their features and colors will transform, giving them their distinctive adult appearance.

Size

4.3 - 5.1 in/0.3 - 0.4 oz

Habitat

Primary habitat

The Townsend’s warbler selects tall, dense coniferous forests in the Pacific Northwest, inhabiting both the humid coastal belt and the mountains.

Additional range

In winter, it favors oaks, madrones, and laurels. In the tropics, it resides in mountain forests of pine, oak, and alder, and along the California coast, it seeks out oak woods and conifers. It can also be found in mountain conifer forests and streamside trees in lowlands during migration periods.

Range Map

What do Townsend’s warblers like to eat?

Natural diet

The Townsend's warbler primarily consumes a diet composed mostly of insects. During its nesting phase, it mainly feeds on insects such as caterpillars, true bugs, beetles, and leafhoppers. Additionally, it consumes a few spiders, seeds, and plant galls. When on its tropical wintering grounds, the diet expands to include some berries and nectar.

Bird feeders

While the Townsend’s warbler is not primarily known to feed extensively at bird feeders, it might occasionally consume offerings commonly found in feeders like seeds and suet, especially during migration or in winter months when its natural insect diet might be less accessible.

What does a Townsend's warbler sound like?

The Townsend's Warbler has a distinct tune characterized by a rising series of notes, typically featuring two phrases— the first repeated 3-4 times followed by the second once or twice. Its common song patterns sound like "weazy weazy weazy weazy twea" or "dee dee dee-de de". Alongside its primary song, this bird has a soft, more muted call referred to as a "chip". The call pattern of the Townsend’s Warbler shifts between flat, rising, and undulating. The call types include buzz, chirp/chip, and whistle.

Call

Audio by Paul Marvin

/ CC BY-NC-SA 3.0

Song

Audio by Paul Marvin

/ CC BY-NC-SA 4.0

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Yellow-Rumped Warbler

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Townsend’s Warbler

Yellow-Rumped Warbler

Setophaga coronata

Also known as: Butterbutt

General appearance

The Yellow-rumped Warbler is approximately the size of a Sparrow, clocking in at 5-6 inches (13-15 cm). The bird has a black, blue, brown, gray, white, and yellow plumage, and a distinctive bright yellow rump patch. Its tail features white spots, and there's a small yellow patch at the side of its chest. The face of the bird varies, with the 'Myrtle Warbler' having a white throat, and the 'Audubon's Warbler' boasting a yellow throat.

Male vs female

Males tend to have the brightest coloration, particularly in the spring. Females, particularly young ones in the fall and winter, exhibit a comparatively duller pattern. The 'Myrtle Warbler' variant possesses a well-defined dark cheek patch behind its white throat.

Juvenile

Juvenile Yellow-rumped Warblers may manifest a dull buff throat, particularly in some 'Myrtle Warbler' young ones. Juvenile females in the fall and winter present the dullest coloration.

Size

5.3 - 5.7 in/0.4 - 0.6 oz

There's more to learn about Yellow-Rumped Warbler

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Townsend’s Warbler

Setophaga townsendi

General appearance

A Townsend’s warbler measures 4 1/4-5" or 11-13 cm, approximately the size of a Sparrow. This bird showcases a vibrant palette of Black, Green, White, and Yellow. It possesses a distinctive face pattern where bright yellow surrounds a dark cheek. Its back is green, while its chest is yellow, with white wing-bars and streaked sides. Its tail shape is notched and square-tipped.

Male vs female

In adults, there is a notable difference in the throat coloration between genders. Males sport a black throat, adding to their dynamic color pattern, whereas females have a predominantly yellow throat, ensuring differentiation in the wild.

Juvenile

Similar to females, young Townsend’s warblers also have a mostly yellow throat. This trait, paired with their size, may be helpful in distinguishing them from the black-throated adult males. As they grow and mature into adulthood, their features and colors will transform, giving them their distinctive adult appearance.

Size

4.3 - 5.1 in/0.3 - 0.4 oz

There's more to learn about Townsend’s Warbler

View full details

How to tell the Yellow-Rumped Warbler from the Townsend’s Warbler

Visual differences

The Yellow-Rumped Warbler (5-6 inches, 13-15 cm) exhibits a black, blue, brown, gray, white, and yellow plumage with a distinguishing bright yellow rump and white throat ('Myrtle Warbler') or yellow throat ('Audubon's Warbler'). Townsend's Warbler (4 1/4-5 inches, 11-13 cm) is slightly smaller, displaying black, green, yellow, and white plumage with vibrant yellow surrounded by a dark cheek. Males show a black throat, while females have a yellow throat. Yellow rump and distinct cheek/mask patterns are key differentiators. Both have white wing-bars; Townsend’s tail is notched, while Yellow-Rumped’s has white spots.

Key differences and behavior

Yellow-Rumped Warblers and Townsend's Warblers exhibit distinct behaviors and preferences in their natural habitats. Yellow-Rumped Warblers, known for their flycatcher-like foraging, adapt to diverse environments, ranging from Northern coniferous forests to various lowland habitats in winter. They consume insects and berries, including uniquely digesting wax-covered berries. In contrast, Townsend's Warblers are territorial, safeguarding honeydew-rich trees and favor tall, dense conifers in the Pacific Northwest and mountain forests. Their diet centers largely on insects, with occasional reliance on feeders for seeds and suet. Both species demonstrate elaborate courtship displays, yet Yellow-Rumped Warblers engage in more extensive food flexibility and nesting habits across wider geographic ranges.

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Learn the difference

Yellow-Rumped Warbler or Townsend’s Warbler?

Yellow-Rumped Warbler

How to recognise a yellow-rumped warbler?

Habitat

What do yellow-rumped warblers like to eat?

What does a yellow-rumped warbler sound like?

Song

There's more to learn about Yellow-Rumped Warbler

Townsend’s Warbler

How to recognise a Townsend's warbler?

Habitat

What do Townsend’s warblers like to eat?

What does a Townsend's warbler sound like?

Call

Song

There's more to learn about Townsend’s Warbler

Yellow-Rumped Warbler

There's more to learn about Yellow-Rumped Warbler

Townsend’s Warbler

There's more to learn about Townsend’s Warbler

How to tell the Yellow-Rumped Warbler from the Townsend’s Warbler

Visual differences

Key differences and behavior

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