Drs. Robert Epstein & BF Skinner with Pigeons-Part 1
drrobertepstein
between her peck at the the hidden color
""peck at"" — hear it spoken in real YouTube videos
Found 6 examples of ""peck at"" across 4 YouTube videos with captions. Click any result to hear native speakers use this word or phrase in context — free, no sign-up required.
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the crow continues to like just peck at its at its back.
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TheSorryGirls
I am going to peck at this grass with my free range abilities.
Drs. Robert Epstein & BF Skinner with Pigeons-Part 1
drrobertepstein
harder still by introducing a delay between her peck at the the hidden color
Drs. Robert Epstein & BF Skinner with Pigeons-Part 1
drrobertepstein
between her peck at the the hidden color and the availability of the color keys
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And it flies up while the crow continues to like just peck at its at its back.