Red-legged Kittiwake vs Herring Gull

In short

The Red-legged Kittiwake and Herring Gull are both seabirds but differ significantly in size and leg color. The Red-legged Kittiwake has distinctive red legs and a smaller, more delicate structure compared to the larger, robust Herring Gull with its pink legs.

Identification tips

• Leg Color: Red-legged Kittiwakes have red legs, while Herring Gulls have pink legs.
• Size and Structure: Red-legged Kittiwakes are smaller with a more delicate build; Herring Gulls are larger and bulkier.
• Bill: Red-legged Kittiwakes have a shorter bill compared to the longer bill of the Herring Gull.
• Habitat: Look for Red-legged Kittiwakes in the Bering Sea region, especially on cliffs, while Herring Gulls are more widespread.
• Vocalization: Listen for the higher-pitched calls of the Red-legged Kittiwake versus the deeper calls of the Herring Gull.

Size

The Red-legged Kittiwake is smaller and more delicate than the larger, more robust Herring Gull.

Plumage

Both species have a similar overall white and gray plumage, but the Red-legged Kittiwake has a shorter bill and lacks the black wingtips seen in the Herring Gull.

Behaviour

Both species are often seen in flocks, especially around breeding colonies, but the Red-legged Kittiwake is more likely to be seen on cliffs while the Herring Gull is more adaptable to various environments.

Habitat

Red-legged Kittiwakes are typically found in the Bering Sea region, favoring cliffside nesting sites, while Herring Gulls are more widespread, found in coastal and inland areas across the Northern Hemisphere.

Voice

The Red-legged Kittiwake has a higher-pitched call compared to the deeper, more varied calls of the Herring Gull.