gdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Filter the eBird data by checklist start time — auk_time"><meta property="og:description" content="Define a filter for the eBird Basic Dataset (EBD) based on a range of start
times for the checklist. This function only defines the filter and, once all
filters have been defined, auk_filter() should be used to call AWK and
perform the filtering."><meta property="og:image" content="https://cornelllabofornithol