Lord Howe boobook than both the New Zealand and Norfolk Island subspecies. The Lord Howe boobook was restricted to Lord Howe Island where it inhabited the native forests as well as occurring around the settlements. Exactly when the Lord Howe boobook became extinct is uncertain. Boobook calls were apparently heard on the island until the 1950s, but during the 1920s boobooks from near Sydney in eastern Australia had been introduced, along with barn owls and masked owls, in an unsuccessful effort to control the black rats that had overrun the island. The rats had been accidentally introduced in June 1918 with the grounding
Anatomical terms of bone or Superior pubic ramus. Ramus may also be used to refer to nerves, such as the ramus communicans. A "facet" refers to a small, flattened articular surface. A "line" refers to a long, thin projection, often with a rough surface. "Ridge" and "crest" refer to a long, narrow line. Unlike many words used to describe anatomical terms, the word "ridge" is derived from Old English. A "spine", as well as referring to the spinal cord, may be used to describe a relatively long, thin projection or bump. These terms are used to describe bony protuberances in specific parts of the