15 species arrived in the last two weeks after being absent — most recently Mallard.
30-day diversity is Moderate (Shannon index 1.737), up 15 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.
Mallard
First seen: Oct 15
3 detections
Red-tailed Hawk
First seen: Oct 15
2 detections
House Finch
First seen: Oct 15
6 detections
Dark-eyed Junco
First seen: Oct 15
13 detections
House Sparrow
First seen: Oct 15
9 detections
Red-breasted Nuthatch
First seen: Oct 15
1 detections
European Starling
First seen: Oct 15
2 detections
Steller's Jay
First seen: Oct 14
1 detections
Black-billed Magpie
First seen: Oct 14
30 detections
Canada Goose
First seen: Oct 13
3 detections
Northern Flicker
First seen: Oct 13
10 detections
Blue Jay
First seen: Oct 13
30 detections
Black-capped Chickadee
First seen: Oct 13
14 detections
American Crow
First seen: Oct 12
115 detections
Common Raven
First seen: Oct 12
162 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.
