Nuttall's Woodpecker (Dryobates nuttallii) lives in oak woodlands across California. It feeds on insects and sap. Its conservation status is Least Concern.
Fascinating facts about the Nuttall's Woodpecker
- When a Nuttall's woodpecker drills into a tree it does so at a speed of 21 to 25 km h, a rapid motion that translates into a flurry of strikes. Each peck can reach 18 to 22 impacts per second, meaning the bird can pound a trunk thousands of times in a short bout. By a liberal estimate this adds up to about 12 000 blows in a single day, giving the bird the power to excavate insects hidden deep in oak bark.
- Each rapid peck subjects a Nuttall's woodpecker to a deceleration of roughly 1200 g, yet the bird endures this shock thanks to specialised anatomy. Its skull is built from a lattice of spongelike bones that absorb impact, while a series of hyoid bones loops from the nostrils around the skull like a protective seatbelt. Together these structures cushion the brain and allow the bird to hammer repeatedly without injury.
- Both male and female Nuttall's woodpecker chicks sport a vivid red crown when they leave the nest, a colour that disappears from adult females as they mature. Adult males retain the crimson top, providing a clear visual cue of sex, while adult females lose the red and display the typical black and white patterning of the species. Juveniles otherwise resemble adults, apart from occasional white streaks on their heads.
- Insects make up almost 80% of their food, especially beetle larvae tapped from oak crevices. They also sip sap from holes made by sapsuckers and eat assorted berries.
- California hosts more than 100,000 Nuttall's woodpeckers, with about 20 birds per square kilometre recorded in San Bernardino County. The species remains common despite its limited range.
Sources
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At a glance
RangeCalifornia
HabitatOak woodlands
DietInsects and sap
About the Nuttall's Woodpecker
In the sun-dappled woodlands of western North America, the Nuttall's Woodpecker flits with effortless agility, its slate-grey back and white underside blending seamlessly into the mottled tree trunks it calls home. With a rapid, drumming beat, it excavates insects from the bark, its chisel-tipped beak a blur of motion as it darts from branch to branch in pursuit of its next meal. As it moves through the forest, its bright, inquisitive eyes shine like dark jewels, illuminating a world of intricate, hidden wonders.
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