Williamson's Sapsucker

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Not yet spotted on Fladder

Williamson's Sapsucker is a medium-sized woodpecker with striking sexual dimorphism: males are predominantly black with white patches and a red throat, while females are barred brown and white with a brown head. It is known for drilling sap wells in trees.

Where to spot

Inhabits coniferous and mixed forests in mountainous regions of western North America, ranging from British Columbia south to parts of California and Arizona.

How to spot

Look for rows of neatly drilled holes (sap wells) on tree trunks, especially conifers. Listen for their distinctive 'tapping' or soft, whining calls. Observing during migration or in their wintering grounds can offer easier views.

When to spot

Breeding season typically occurs from spring through summer in higher elevations. They migrate to lower elevations and more southerly areas for winter, making them observable seasonally in different habitats.

Where to spot

Inhabits coniferous and mixed forests in mountainous regions of western North America, ranging from British Columbia south to parts of California and Arizona.

How to spot

When to spot

Credits: Wikimedia Commons

Males and females of Williamson's Sapsucker were once thought to be different species due to their vastly different appearances, highlighting the extreme sexual dimorphism in this bird.

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