Field Notes Journal

Seasonal Analysis and Species Classification

Canada Goose

Model Family : Resident detectability

Canada Goose (Branta canadensis), Radley Lakes, UK
Canada Goose (Branta canadensis), Radley Lakes, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Canada Goose (Branta canadensis), Radley Lakes, UK
Canada Goose (Branta canadensis), Radley Lakes, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Canada Goose (Branta canadensis), Radley Lakes, UK
Canada Goose (Branta canadensis), Radley Lakes, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Canada Goose (Branta canadensis), Radley Lakes, UK
Canada Goose (Branta canadensis), Radley Lakes, UK David Walker, Field Notes Journal ( CC BY 4.0 )

Summary

Canada Goose

Resident with summer detectability collapse

Canada Goose is classified as resident with summer detectability collapse. The fitted resident detectability target peaks around April and reaches its lowest point around November. The model indicates weak baseline presence, moderate spring carry-over, moderate pre-summer retention, moderate summer suppression, and strong summer decay acceleration.

Confidence
Low
Fit score
0.365
Peak detectability
April
Lowest detectability
November

Seasonal wheel

Seasonal wheel for Canada Goose Canada Goose Peak: April

Calendar strip

Jan 0.16
Feb 0.22
Mar 0.52
Apr 0.62
May 0.28
Jun 0.16
Jul 0.15
Aug 0.03
Sep 0.03
Oct 0.02
Nov 0.0
Dec 0.15

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
11
Target trough label
November
Target peak value
0.62
Target trough value
0.0
Target mean value
0.195
Target amplitude
0.62
Baseline to peak ratio
0.055
Autumn to winter weight ratio
0.059
Year end to winter weight ratio
0.393
Decay to growth ratio
1.856

Observed and Simulated Seasonal Patterns

Canada Goose Observed Presence, Abingdon
Canada Goose Observed Presence, Abingdon
Canada Goose Observed Totals, Abingdon
Canada Goose Observed Totals, Abingdon
Canada Goose Simulated Presence, Abingdon
Canada Goose Simulated Presence, Abingdon

Cite this dataset

You are welcome to reuse or reproduce this material under the terms of the Creative Commons CC BY 4.0 licence but please cite it using the reference below, include a link to the licence, and indicate if any changes were made.

Walker, David. Canada Goose. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.26. https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/canada_goose.html

Dataset FN-WL-SEASONAL Author David Walker Publisher Field Notes Journal Version 2026.05.26

BibTeX
@dataset{fn_wl_seasonal,
  author = {Walker, David},
  title = {Canada Goose},
  year = {2026},
  publisher = {Field Notes Journal},
  version = {2026.05.26},
  url = {https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/canada_goose.html}
}