Seasonal Analysis and Species Classification
Grey Heron
Model Family : Resident detectability
Summary
Grey Heron
Resident with spring persistence and summer suppression
Grey Heron is classified as resident with spring persistence and summer suppression. The fitted resident detectability target peaks around April and reaches its lowest point around August. The model indicates strong baseline presence, moderate spring carry-over, strong pre-summer retention, strong summer suppression, and moderate summer decay acceleration.
- Confidence
- Medium
- Fit score
- 0.206
- Peak detectability
- April
- Lowest detectability
- August
Seasonal wheel
Calendar strip
Jan
0.43
Feb
0.45
Mar
0.59
Apr
0.8
May
0.67
Jun
0.47
Jul
0.39
Aug
0.16
Sep
0.26
Oct
0.32
Nov
0.34
Dec
0.43
Highlighted months indicate stronger modelled presence or detectability. A ring marks the fitted peak; a hollow mark indicates the trough where available.
Classification evidence
- Target peak month
- 4
- Target peak label
- April
- Target trough month
- 8
- Target trough label
- August
- Target peak value
- 0.801
- Target trough value
- 0.157
- Target mean value
- 0.443
- Target amplitude
- 0.644
- Baseline to peak ratio
- 0.394
- Autumn to winter weight ratio
- 0.074
- Year end to winter weight ratio
- 0.362
- Decay to growth ratio
- 1.332
Observed and Simulated Seasonal Patterns
