Species detected
47
unique species
Total detections
3,241
May 1–31
Avg temperature
14.3°
Celsius
Light trend
↓ 16%
canopy closing
Daily detections — May 2025
Bird calls identified per day, with unique species count
Detections
Unique species
Light & temperature — canopy proxy
Declining light levels through May indicate leaf cover developing — a measurable proxy for canopy closure
Light (klux)
Temperature (°C)
Light decline over the growing season is a direct proxy for canopy closure — a measure of planting maturity that no existing programme currently captures systematically.
Top species — May 2025
Species appropriate to Montréal spring migration period
Invertebrate activity · NDG tiny forest · 2025
Trail camera deployment · Belvédère Terry Fox · 2025