Pacific Black Duck vs New Zealand Scaup

In short

The Pacific Black Duck and New Zealand Scaup can be distinguished by their overall structure and plumage patterns. The Pacific Black Duck has a distinctive pale face with a dark eye stripe, while the New Zealand Scaup is more uniformly dark with a glossy sheen. These differences are most apparent when observed closely.

Identification tips

• Look for the pale face and dark eye stripe on the Pacific Black Duck.
• Observe the uniformly dark, glossy plumage of the New Zealand Scaup.
• Use binoculars to discern these features, especially in mixed flocks.

Plumage

Pacific Black Duck features a pale face with a prominent dark eye stripe, contrasting with the more uniformly dark and glossy plumage of the New Zealand Scaup.