Yellow-rumped warbler | Smithsonian’s National Zoo and Conservation Biology Institute https://nationalzoo.si.edu/animals/yellow-rumped-warbler
The most abundant warbler in North America, the yellow-rumped warbler is an opportunistic omnivore that frequents balsam fir forests in the breeding grounds. Formerly two species, the myrtle warbler in the east and the Audubon warbler in the west, interbreed and hybridize. Ongoing genetic research may split them back into two species.
meters) long, arapaima are the largest freshwater fish