Nonnatives - Common Myrna

Common Myna - Acridotheres tristis


Florida's Nonnative Wildlife. Species detail.

First year: 1983

Extirpated year:

Established status: Species are present but not confirmed to be breeding. Population persists only with repeated introductions and/or escapes of individuals.

Estimated Florida range: 8 counties  At least 10 years, 6 counties  Less than 10 years

Statewide trend: Unknown status

Threats to natives: Nests in tree or cavity nests in communal groups, competing with native species. Mynas sometimes attack Purple Martins at martin houses (Florida BBA). This species seems to spread aggressively and can be serious pests of crops and orchards. It also serves as reservoirs or sources of bird malaria (Florida BBA). Because of their history of establishment and negative ecological impacts, mynas (Acridotheres spp.) have been prohibited from importation into the United States (Bates and Busenbark 1970).

Species Account: The Common Myna is native to southeastern Asia but has been introduced onto almost every tropical or subtropical oceanic island and Australia, where it is mostly found in open country and human environments. In Florida, populations remain small and widely scattered and tend to prefer shopping mall parking lots (Florida BBA). Mynas are omnivorous and feed on fruits, seeds, insects, and human food (Long 1981). They nest in tree cavities, buildings, crowns of palms, large signs, and broken lights (Long 1981, Florida BBA).

Habitats: Central or core urban area, Low density suburban development, areas peripheral to core urban areas, and small towns, Agricultural habitat

County First Year Extirpated Year Breeding status Notes
Brevard 1980's   At least 10 years Cocoa Beach (Florida BBA 1986-91)
Broward 1983   At least 10 years (B. Pranty, 2001 unpublished data)
Collier 1988   At least 10 years (Florida BBA 1986-91)
Dade 1980's   At least 10 years  
Hendry 1988   At least 10 years Clewiston (Florida BBA 1986-91)
Lee 1993   Less than 10 years  
Martin 1988   Not reported breeding near Indiantown (Florida BBA 1986-91)
Monroe 1997   Less than 10 years  
Palm Beach 1980's   At least 10 years near Jupiter (Florida BBA 1986-91)
Saint Lucie 1997   Less than 10 years (Pranty 1997a)
Seminole 1983   At least 10 years (B. Pranty, 2001 unpublished data)
Volusia 1983   At least 10 years (B. Pranty, 2001 unpublished data)


Long, J.L. 1981. Introduced Birds of the world. A.H.& A.R. Reed, Ltd. Sydney Australia

Pranty, B. 1994b. Field observations [spring report: March-May 1994]. Florida Field Naturalist 22:118-126.

Pranty, B. 1997a. Field observations [spring report: March to May 1997]. Florida Field Naturalist 25:148-158.

Pranty, B. 1998a. Field observations [spring report: March to May 1998]. Florida Field Naturalist 26:128-137.

Pranty, B. 2001a. Field observations [summer report: June-July 2000]. Florida Field Naturalist 29:33-40.

Robertson, W. B., and G. E. Woolfenden. 1992. Florida bird species: an annotated list. Florida Ornithological Society, Gainesville, Florida, USA.

Stevenson, H. M., and B. H. Anderson. 1994. The birdlife of Florida. University Press of Florida, Gainesville, Florida, USA.

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