3 species arrived in the last two weeks after being absent โ most recently Red-winged Blackbird.
30-day diversity is Low (Shannon index 0.777), up 3 species compared with this month last year.
๐ฆ Migration & Seasonal Patterns
๐ 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.
Red-winged Blackbird
First seen: Jul 23
11 detections
Canada Goose
First seen: Jul 23
1 detections
Brewer's Blackbird
First seen: Jul 23
4 detections
๐ 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!โ
๐ 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.