Terms Defined

Regular

acceptably reported in 9-10 of the past 10 years

Casual

acceptably reported in 4-7 of the past 10 years

Accidental

acceptably reported in 0-2 of the past 10 years

Extirpated

not acceptably reported in the past 50 years

Extinct

no longer found alive anywhere in the world

The frequency of occurrence for any species that was acceptably reported in 3 or 8 of the last 10 years was discussed by the N.O.U. Records Committee members and placed in the category felt most appropriate by the Committee.

I-S

an adequately labelled diagnostic specimen has been received by the N.O.U. Records Committee.

I-P

an adequately labelled diagnostic photograph or slide has been received.

I-R

an adequately labelled diagnostic recording has been received.

II

a sight record with three or more acceptable written documentations received.

III

a sight record with one or two acceptable written documentations received.

This information was taken from The Nebraska Bird Review, volume 65, number 1, March 1997. Please refer to that issue for more complete information. This and other back issues can be ordered from the N.O.U. Librarian, at the University of Nebraska State Museum, Lincoln, NE 68588-0514