Cinnabar boobook Cinnabar boobook The cinnabar boobook ("Ninox ios") also known as the cinnabar hawk owl, is a hawk owl endemic to the island of Sulawesi, Indonesia. It was described as a new species to science by American ornithologist Pamela C. Rasmussen in 1999 based on a single specimen collected by Frank Rozendaal from Bogani Nani Wartabone National Park on Minahassa Peninsula, northern Sulawesi, in 1985. Subsequently, it has also been observed in Lore Lindu National Park in central Sulawesi, greatly expanding the known habitat range. The cinnabar boobook is small (total length 22 cm or 8.5 in) and has a relatively
Southern boobook southern boobook is a mainly nocturnal species, though may be active at dawn and dusk. It is heard much more commonly than seen, being particularly vocal in breeding season. The characteristic two-note "boo-book" call or hoot can be heard up to away, the second note generally lower in pitch than the first. Calling takes place from sunset through till dawn, generally with a peak in the two hours after dusk and just before dawn. It can continue for several hours. The male's hooting is higher pitched and of shorter duration, and is heard much more commonly than that of the