Pied Cormorant vs Chatham Islands Shag

In short

The Pied Cormorant and the Chatham Islands Shag can be distinguished by their distribution and plumage. The Pied Cormorant is more widespread, while the Chatham Islands Shag is endemic to the Chatham Islands. Plumage differences are subtle but can be noted with careful observation.

Identification tips

1. Location: If you are birdwatching outside the Chatham Islands, you are likely observing a Pied Cormorant. 2. Plumage contrast: Look for the more contrasting black and white plumage of the Pied Cormorant. 3. Distribution: Remember that the Chatham Islands Shag is endemic to the Chatham Islands.

Plumage

The Pied Cormorant typically has a more contrasting black and white plumage, while the Chatham Islands Shag may have a less distinct contrast. However, these differences can be subtle and require careful observation.

Habitat

The Pied Cormorant is found in a variety of coastal and inland waters, whereas the Chatham Islands Shag is restricted to the Chatham Islands.