Roseate tern and the bill black. Juvenile roseate terns have a scaly appearance like juvenile Sandwich Terns, but a fuller black cap than that species. This species breeds in colonies on coasts and islands, at times with other seabirds. In Australian territory, it has been recorded nesting alongside the black-naped tern ("S. sumatrana"), lesser crested tern ("Thalasseus bengalensis"), crested tern ("T. bergii"), fairy tern ("Sternula nereis"), bridled tern ("Onychoprion anaethetus") and silver gull ("Chroicocephalus novaehollandiae"). It nests in a ground scrape, often in a hollow or under dense vegetation, and lays one or two (rarely three) eggs. It is less defensive of
Miller Tern brakes and an optional tail-mounted drag chute. The cantilever wing uses a Wortmann 61 series airfoil. The basic Tern has a wingspan that gives a glide ratio of 34:1 at , while the longer span Tern II, with its wingspan, has a glide ratio several points higher. In March 2011 there were 14 Terns on the Federal Aviation Administration register, including 4 Tern IIs and one Tern 17M. All Terns are registered in the USA as "Experimental - Amateur-built" In March 2011 there were two Terns registered with Transport Canada, both amateur-builts. Miller Tern The Miller Tern is an American