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Game‑farm Mallard Hybrid Classifier
SUNY ESF Waterfowl and Wetlands Lab
Created by Dominic Hockenbury
Sex
Mode Balanced τ
Predictions use the balanced threshold (τ). Works offline.
Tarsus 2 (mm) 39–55 mm
Wing chord (mm) 200–350 mm
❌ Please enter all measurements in millimeters (mm). Values under 50 mm are not valid for wing chord.
p (raw):
τ (raw):
z:
Rule: predict Likely < 70% Wild Mallard Ancestry when p ≥ τ.
Standardized logistic models · sex‑specific · locally computed.
⚠ Disclaimer: This tool is a work in progress and classification results may not be fully accurate.
– For drakes (males): about 67% of those with <70% wild mallard ancestry are correctly classified, and about 83% of those with ≥70% ancestry are correctly classified.
– For hens (females): classification is highly accurate, with 100% of <70% ancestry hens and about 97% of ≥70% ancestry hens correctly classified.
Results may change as more data are added and models are refined.

Measurement Demo

Materials Needed