Recruitment and Selection through Competitive Examination (5 CFR Part 332) - Regulatory language that is the basis for general policy about filling positions in the Federal Government. Examining System (5 CFR Part 337) - Regulatory language that is the basis for examining applicants. Hiring Flexibilities in the Examining Process (DEOH 2007) - Index for the Delegated Examining Operations Handbook; refer to Chapter 2, Section A for a review of hiring flexibilities.
Full Definition of WREN. 1. : any of a family (Troglodytidae) of small typically brownish oscine singing birds; especially: a very small widely distributed bird (Troglodytes troglodytes) that has a short erect tail and is noted for its song. 2. : any of various small singing birds resembling the true wrens in size and habits.. : any of a family (Troglodytidae) of small typically brownish oscine singing birds; especially: a very small widely distributed bird (Troglodytes troglodytes) that has a short erect tail and is noted for its song.
Quick Answer. Wrens are primarily insectivores, meaning that they eat insects and spiders such as beetles, caterpillars, earwigs, flies and leafhoppers. Some species of wren have adapted to their environment to include other food items, such as berries. Continue Reading.