Yellow-legged Gull vs Armenian Gull

In short

The Yellow-legged Gull and Armenian Gull are similar large white-headed gulls, but they can be distinguished by their bill structure and plumage details. The Yellow-legged Gull typically has a longer, more robust bill and brighter yellow legs, while the Armenian Gull has a shorter, more slender bill and a darker mantle.

Identification tips

1. Bill Structure: Look for a longer, more robust bill in the Yellow-legged Gull compared to the shorter, more slender bill of the Armenian Gull.
2. Leg Color: The Yellow-legged Gull has brighter yellow legs, while the Armenian Gull's legs can appear duller.
3. Mantle Color: The Armenian Gull has a darker grey mantle than the Yellow-legged Gull.
4. Tail Band: In immature birds, the Armenian Gull often shows a more pronounced black tail band.
5. Location: Consider the geographic location; the Armenian Gull is more likely found around inland lakes in the Caucasus, while the Yellow-legged Gull is common in the Mediterranean.

Size

Both species are similar in size, but the Yellow-legged Gull is slightly larger overall.

Plumage

The Yellow-legged Gull has a paler mantle compared to the Armenian Gull, which has a darker grey mantle. The Armenian Gull also shows a more pronounced black band on the tail in immature birds.

Behaviour

Both species are opportunistic feeders, often seen scavenging in similar environments.

Habitat

Both gulls are adaptable to various habitats, including coastal areas and urban environments. The Yellow-legged Gull is more widespread in the Mediterranean region, while the Armenian Gull is more localized around inland lakes in the Caucasus region.

Voice

Vocalizations are similar, with both species producing typical gull-like calls. Differences in calls are subtle and not easily distinguishable in the field.