WebRelative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 1 kilometer traveling checklist at the optimal time of day for each species. WebeBird Taxonomy v2024. stated in. Clements Checklist of Birds of the World. stated in. IOC World Bird List Version 8.2. stated in. IOC World Bird List Version 9.1. ... Northern Beardless-tyrannulet (English) 1 reference. stated in. IUCN Red List. retrieved. 21 October 2016. Northern Beardless-Tyrannulet (English) 1 reference. stated in. IUCN Red ...
Northern Beardless-Tyrannulet - Abundance - eBird Status and …
WebNorthern Beardless-Tyrannulet @ Estero Llano State Park, Texas. Northern Beardless-Tyrannulet in Arizona . Proudly powered by WordPress WebClick here for more information about the Red List categories and criteria Justification of Red List category This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km 2 combined with a declining or fluctuating range size, habitat extent/quality, or population … crystal reports allow field clipping
Northern Beardless-Tyrannulet - modelProductTitle.downloads
WebThis map depicts the cumulative change in estimated relative abundance from {0} through {1} with circles representing 27km x 27km regions. Red indicates decline and blue … WebThis tiny gray flycatcher from the tropics acts more like a vireo, hopping between branches, than like other U.S. flycatchers that sit upright on exposed perches. If its flitting nature … WebRange. The range map depicts the boundary of the species's range, defined as the areas where the species is estimated to occur within at least one week within each season. … dying in harness rules 1974