24/08/2009;
Acaraú, Ceará, Brazil.
300 mm f2.8 lens.
Figure 1. Adult individual in breeding plumage. The white bands across wings, lower back and tail form a striking pattern, which makes identification easy.
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24/08/2009;
Acaraú, Ceará, Brazil.
300 mm f2.8 lens.
mark for vim
Figure 2. Arenaria interpres in breeding plumage. Note the strong and short bill.
From the photo, I cannot tell whether this bird is male or female. However, it seems that there is some subtle sexual dimorphism in breeding plumage, see Nettleship 2000.
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24/08/2009;
Acaraú, Ceará, Brazil.
300 mm f2.8 lens.
mark for vim
Figure 3. This individual is either an immature, or an adult bird in non-breeding plumage.
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