Black-winged Stilt vs Pied Avocet

In short

The Black-winged Stilt and Pied Avocet are both long-legged waders, but they can be distinguished by their bill shapes and plumage patterns. The stilt has a straight, slender bill and predominantly black-and-white plumage, while the avocet features a distinctive upturned bill and bold black-and-white patterning.

Identification tips

1. Look for the bill shape: the stilt has a straight bill, while the avocet's is upturned. 2. Check the plumage pattern: stilts have a simpler black-and-white contrast, whereas avocets have a bold black cap and more intricate patterning. 3. Observe foraging behavior: avocets sweep their bills in the water, a behavior not seen in stilts. 4. Consider the habitat: stilts are more common in freshwater environments, while avocets prefer saline or brackish areas.

Size

Both species are similar in size, but the Pied Avocet is generally bulkier with a slightly longer body.

Plumage

The Black-winged Stilt has a mostly white body with black wings and a black nape, whereas the Pied Avocet displays a more striking black-and-white pattern with a black cap and a white face.

Behaviour

Both species are often seen wading in shallow waters, but the Pied Avocet is more likely to be observed sweeping its upturned bill side-to-side while foraging.

Habitat

Black-winged Stilts prefer freshwater marshes and swamps, often nesting on small islets, while Pied Avocets are typically found in saline or brackish wetlands.

Voice

The Black-winged Stilt is known for its nasal, staccato, yelping 'kek...kek...kek' calls, while the Pied Avocet's calls are less documented but generally softer.