Field Notes Journal

Seasonal Analysis and Species Classification

Common Starling

Model Family : Resident detectability

Common Starling (Sturnus vulgaris), Abingdon, UK
Common Starling (Sturnus vulgaris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Common Starling (Sturnus vulgaris), Abingdon, UK
Common Starling (Sturnus vulgaris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Common Starling (Sturnus vulgaris), Abingdon, UK
Common Starling (Sturnus vulgaris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Common Starling (Sturnus vulgaris), Abingdon, UK
Common Starling (Sturnus vulgaris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )

Summary

Common Starling

Resident with spring persistence and summer suppression

Common Starling is classified as resident with spring persistence and summer suppression. The fitted resident detectability target peaks around February 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 strong summer decay acceleration.

Confidence
Low
Fit score
0.442
Peak detectability
February
Lowest detectability
August

Seasonal wheel

Seasonal wheel for Common Starling Common Starling Peak: February

Calendar strip

Jan 1.04
Feb 1.22
Mar 1.07
Apr 0.9
May 0.87
Jun 0.86
Jul 0.62
Aug 0.59
Sep 0.66
Oct 0.69
Nov 0.7
Dec 0.84

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
2
Target peak label
February
Target trough month
8
Target trough label
August
Target peak value
1.219
Target trough value
0.586
Target mean value
0.839
Target amplitude
0.633
Baseline to peak ratio
0.556
Autumn to winter weight ratio
0.071
Year end to winter weight ratio
0.482
Decay to growth ratio
1.191

Observed and Simulated Seasonal Patterns

Common Starling Observed Presence, Abingdon
Common Starling Observed Presence, Abingdon
Common Starling Observed Totals, Abingdon
Common Starling Observed Totals, Abingdon
Common Starling Simulated Presence, Abingdon
Common Starling Simulated Presence, Abingdon
Common Starling Observed Breeding Presence, Abingdon
Common Starling Observed Breeding Presence, Abingdon
Common Starling Observed Breeding Totals, Abingdon
Common Starling Observed Breeding Totals, 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. Common Starling. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.21. https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/common_starling.html

Dataset FN-WL-SEASONAL Author David Walker Publisher Field Notes Journal Version 2026.05.21
Reference: Walker, David. Common Starling. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.21.

BibTeX 
@dataset{fn_wl_seasonal,
  author = {Walker, David},
  title = {Common Starling},
  year = {2026},
  publisher = {Field Notes Journal},
  version = {2026.05.21},
  url = {https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/common_starling.html}
}