marrequinha-de-bico-vermelho vs águia-de-penacho

The Cape Teal and Long-crested Eagle are easily distinguished by their size and structure. The Cape Teal is a small duck with a distinctive pale plumage, while the Long-crested Eagle is a large raptor with a prominent crest.

Size and structure: Note the small size and duck-like shape of the Cape Teal compared to the large, powerful build of the Long-crested Eagle. Plumage: Look for the pale, speckled appearance of the Cape Teal versus the dark, crested look of the Long-crested Eagle.

The Cape Teal is significantly smaller than the Long-crested Eagle.

The Cape Teal has a pale, speckled plumage, whereas the Long-crested Eagle features dark plumage with a striking long crest.