Betula alnoides that, by time it matures, reaches a diameter of by . The peduncle is long while the diameter of the bracts is only . The seeds are ripe from March to May and are long while the flowers bloom from October to January. "Betula alnoides" inner bark is edible and is used for making cakes and bread. It is also considered to be an antidote against snakebites and is used to treat dislocated bones. Betula alnoides Betula alnoides (; , , literally: "tiger power") is a species of birch that can be found in natural condition in such countries as
White-winged swallow White-winged swallow The white-winged swallow ("Tachycineta albiventer") is a resident breeding swallow in tropical South America from Colombia, Venezuela, and Trinidad south to northern Argentina. It is not found west of the Andes. This swallow is largely non-migratory. The genus "Tachycineta" was established for this group of swallows by German ornithologist Jean Cabanis in 1850. The genus name derives from Ancient Greek "takhukinetos", "moving quickly"; the specific name "albiventer" is from Latin "albus", "white", and "venter", "belly". This swallow is monotypic, and no subspecies are currently recognized. The adult white-winged swallow is long and weighs . It has iridescent blue-green