"Viewed from its potential as a pet bird, the cockatiel is undoubtedly the finest of all parrot-like birds."

"The feeding ecology of the cockatiel Nymphicus hollandicus was studied in a grain-growing district near Moree, in nor…"

"The cockatiel, Nymphicus hollandicus, is undoubtedly one of the most popular species among aviculturists. Next to the…"

"The first scientific studies of Puffins were by on between 1927 and 1939, rather as a sideline to his pioneering work…"

"All birds have upper and and lower eyelids. They protect the eyes and are closed when the bird sleeps. Birds also hav…"

"Most s winter well offshore in the central North Pacific. There are about one million individuals, with 86% in North …"

"The breeds from France and the in the south to as far north as there is ice-free land and has been studied throughout…"

"For a seabird, the is diminutive. It stands just 18–20cm (7–8in), which is about as tall as a paperback novel, and it…"

"Iceland is the stronghold of the with the majority of the world's population. Thus, it is not surprising that the spe…"

"Iceland is by far and away the Puffin capital of the North Atlantic, supporting around 2.5–3 million pairs. In 1994 i…"