Gaviota Plateada vs Charrán Maorí

The Silver Gull and White-fronted Tern can be distinguished primarily by their structure and plumage. The Silver Gull is more robust with a shorter bill, while the White-fronted Tern is more slender with a longer, pointed bill and a distinctive white forehead.

1. Bill Shape: The Silver Gull has a shorter, thicker bill, whereas the White-fronted Tern has a longer, more pointed bill. 2. Forehead Color: Look for the white forehead on the White-fronted Tern, which contrasts with the Silver Gull's more uniform head coloration. 3. Overall Structure: Note the more robust body of the Silver Gull compared to the slender build of the White-fronted Tern.

The Silver Gull is generally more robust compared to the more slender White-fronted Tern.

The Silver Gull has a more uniform grey and white plumage, while the White-fronted Tern features a distinctive white forehead and a more streamlined appearance.