Williamson's Sapsucker
Sphyrapicus thyroideus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPiciformes (Woodpeckers and Allies)
- FamilyPicidae (Woodpeckers)
- GenusSphyrapicus (Sapsuckers)
- SpeciesSphyrapicus thyroideus (Williamson's Sapsucker)
Closest Relatives at Sequoia and Kings Canyon National Parks
Red-breasted Sapsucker
Sphyrapicus ruber
Red-naped Sapsucker
Sphyrapicus nuchalis
Acorn Woodpecker
Melanerpes formicivorus
Northern Flicker
Colaptes auratus
Hairy Woodpecker
Leuconotopicus villosus
Nuttall's Woodpecker
Dryobates nuttallii
White-headed Woodpecker
Leuconotopicus albolarvatus
Pileated Woodpecker
Dryocopus pileatus
Downy Woodpecker
Dryobates pubescens
Ladder-backed Woodpecker
Dryobates scalaris
Black-backed Woodpecker
Picoides arcticus
Lewis's Woodpecker
Melanerpes lewis
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Rocky Mountain National Park | 🇺🇸 United States | |
| 2 | Yellowstone National Park | 🇺🇸 United States | |
| 3 | Grand Canyon National Park | 🇺🇸 United States | |
| 4 | Yosemite National Park | 🇺🇸 United States | |
| 5 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 6 | Guadalupe Mountains National Park | 🇺🇸 United States | |
| 7 | Grand Teton National Park | 🇺🇸 United States | |
| 8 | Glacier National Park | 🇺🇸 United States | |
| 9 | Zion National Park | 🇺🇸 United States | |
| 10 | Big Bend National Park | 🇺🇸 United States | |
| 11 | Joshua Tree National Park | 🇺🇸 United States | |
| 12 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 13 | Death Valley National Park | 🇺🇸 United States | |
| 14 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
Quick answers
What are the chances of seeing a Williamson's Sapsucker in Sequoia and Kings Canyon National Parks?
About 3% of visitor-days record a Williamson's Sapsucker sighting in Sequoia and Kings Canyon National Parks, based on 76 observer-days of citizen-science data from GBIF.
When is the best time to see Williamson's Sapsucker in Sequoia and Kings Canyon National Parks?
July has the highest sighting rate for Williamson's Sapsucker in Sequoia and Kings Canyon National Parks in our monthly data.