Tyrannus melancholicus (Tropical Kingbird) is a species of birds in the family tyrant flycatchers. It is associated with freshwater habitat. It is found in the Neotropics and the Nearctic. Individuals can grow to 43 g. Reproduction is dioecious. Livertäjätyranni relies on flight to move around.
EOL:llä on tietoa 20 määritteelle, mukaan lukien: