Metallura williami (Viridian Metaltail) is a species of birds in the family hummingbirds. It is listed in CITES Appendix II. It is found in the Neotropics. Individuals can grow to 4.5 g. Reproduction is dioecious. Viridian Metaltail relies on flight to move around.
EOL has data for 11 attributes, including: