Field Notes Journal

Seasonal Analysis and Species Classification

Cuckoo

Model Family : Seasonal presence

Summary

Cuckoo

Narrow spring seasonal presence

Cuckoo is classified as narrow spring seasonal presence. The fitted seasonal window runs from about April to June, with a spring peak around May. The season is narrow, with a sharp active window, moderate post-peak decline, and strong off-season suppression.

Confidence
High
Fit score
0.007
Peak
May
Season
April–June

Seasonal wheel

Seasonal wheel for Cuckoo Cuckoo Peak: May

Calendar strip

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Highlighted months indicate stronger modelled presence or detectability. A ring marks the fitted peak; a hollow mark indicates the trough where available.

Classification evidence

Season start month
4.365
Season end month
6.195
Forcing peak month
5.49
Season width months
1.83
Season midpoint month
5.28
Season start label
April
Season end label
June
Forcing peak label
May

Observed and Simulated Seasonal Patterns

Cuckoo Observed Presence, Abingdon
Cuckoo Observed Presence, Abingdon
Cuckoo Observed Totals, Abingdon
Cuckoo Observed Totals, Abingdon
Cuckoo Simulated Presence, Abingdon
Cuckoo 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. Cuckoo. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.26. https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/cuckoo.html

Dataset FN-WL-SEASONAL Author David Walker Publisher Field Notes Journal Version 2026.05.26
Reference: Walker, David. Cuckoo. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.26.

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