9 species arrived in the last two weeks after being absent — most recently Sharp-shinned Hawk.
30-day diversity is High (Shannon index 1.943), up 9 species compared with this month last year.
🦅 Migration & Seasonal Patterns
🆕 New Arrivals (Last 14 Days) iSpecies appearing in the last 14 days that were absent for the previous 2 weeks. Useful for tracking return migration.
Sharp-shinned Hawk
First seen: Jul 23
1 detections
Red-winged Blackbird
First seen: Jul 23
11 detections
Canada Goose
First seen: Jul 23
1 detections
Red-tailed Hawk
First seen: Jul 23
4 detections
Northern Flicker
First seen: Jul 23
2 detections
Western Wood-Pewee
First seen: Jul 23
7 detections
Steller's Jay
First seen: Jul 23
3 detections
Brewer's Blackbird
First seen: Jul 23
4 detections
Chestnut-backed Chickadee
First seen: Jul 23
3 detections
🔇 Gone Quiet iRegular residents that haven't been detected in at least 14 days. This may indicate they have migrated away or changed territories.
All regular species still active!✓
📅 Year-over-Year Arrival Comparison (2025 vs 2026) iTracking if migratory species arrived earlier or later than they did in the previous calendar year.
Data Accuracy Disclaimer: These classifications may be inaccurate if the station has been running for less than a full year, as it lacks seasonal historical context.
Bar height is expected frequency. Purple highlights are actual detections.
