Are chocolate Labs dumber than black Labs?
Short answer
No. There is no evidence that coat color affects intelligence in Labradors. Working versus show breeding lines differ far more than black, yellow or chocolate coats do. Train any Lab with short, reward-based sessions, clear routines and enough daily exercise to burn off energy.
Read the full guide: 10 Chocolate Lab Myths, Checked Against the Evidence →
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Sources for this answer are cited in the full guide.