Masked Duck: Molt: Wings
by Mark B Bartosik
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Masked Duck: Molt: Tail
by Mark B Bartosik
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Masked Duck: Comfort Movements: Preening
by Mark B Bartosik
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Masked Duck: Comfort Movements: Direct Head and Neck Scratching
by Mark B Bartosik
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Masked Duck: Comfort Movements: Wings Flapping
by Mark B Bartosik
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Masked Duck: Feeding on unknown plant (chewing stem under the water)
by Mark B Bartosik
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Masked Duck: Skimming for food
by Mark B Bartosik
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Masked Duck: Foraging Dives
by Mark B Bartosik
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Masked Duck: Dives with visible legs position
by Mark B Bartosik
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Masked Duck: Portraits
by Mark B Bartosik
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