White-chinned Petrel vs Westland Petrel
Procellaria aequinoctialis versus Procellaria westlandica
Play a quiz with White-chinned Petrel and Westland Petrel
White-chinned Petrel
Westland Petrel
In short
The White-chinned Petrel is distinguished by its typically white chin and large, pale bill, while the Westland Petrel lacks these features. Both species are similar in structure, but the White-chinned Petrel's white chin is a key field mark when visible.
Identification tips
Look for the white chin and pale bill of the White-chinned Petrel, especially when observing birds at sea or near breeding colonies.
Plumage
The White-chinned Petrel has a distinctive white chin and a large, pale bill, which are not present in the Westland Petrel.