Lesser Crested Tern vs Royal Tern

In short

The Lesser Crested Tern and Royal Tern are similar in appearance but can be distinguished by bill color and size. The Lesser Crested Tern has an orange bill, while the Royal Tern's bill is more reddish-orange. Both species are large terns with similar plumage patterns, but the Royal Tern is generally larger.

Identification tips

1. Bill Color: Look for the orange bill of the Lesser Crested Tern versus the reddish-orange bill of the Royal Tern. 2. Size: Note the larger size and bulkier appearance of the Royal Tern. 3. Cap: During the breeding season, the Lesser Crested Tern's black cap extends further down the nape. 4. Location: Consider the geographic location, as Royal Terns are more common in the Americas, while Lesser Crested Terns are found in the Indian Ocean region.

Size

The Royal Tern is larger than the Lesser Crested Tern, with a more robust build.

Plumage

Both species have similar plumage with white bodies and black caps. However, the Lesser Crested Tern's black cap extends further down the nape during the breeding season.

Behaviour

Both species are social and often found in large flocks. They exhibit similar foraging behaviors, diving for fish.

Habitat

Both species are coastal, but the Royal Tern is more likely to be found along the Atlantic and Gulf coasts, while the Lesser Crested Tern is more common in the Indian Ocean and surrounding areas.

Voice

The Royal Tern is typically noisier and more vocal, often heard making harsh calls.