Sideroxylon socorrense
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Sideroxylon socorrense is a plant species in the family Sapotaceae. It is endemic to Mexico, native to Socorro Island in the Revillagigedo Islands[1] and to the Pacific coast states of Sinaloa and Nayarit on the Mexican mainland.[2]
On its island home, this small tree grows in habitat that is at least seasonally humid. This restricts it mainly to a belt of woodland between 650 and 900 m above mean sea level, except on the northern side where wetter conditions predominate.[3] It is classified as Vulnerable by the IUCN due to the adverse effects of introduced sheep grazing and the twice-yearly swarming of the locust Schistocerca piceifrons, a non-native pest that has become established on Socorro more recently.
The fruits of this plant are among the favorite foods of the nearly-extinct Socorro mockingbird (Mimus graysoni)[4] and the Socorro dove (Zenaida graysoni) which presently only survives in captivity.[5] Similar as in other Sideroxylon, these birds might be crucial for the present species' reproduction.
Footnotes
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- ↑ Brattstrom, Bayard H. & Howell (1956), WCMC (1998)
- ↑ BLI (2007a)
- ↑ BLI (2007b)
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References
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- BirdLife International (BLI) (2007b): Socorro Dove – BirdLife Species Factsheet. Retrieved 2007-NOV-24.
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- California/Mexico Island Conservation Database (CMICD) (2007): Plant accounts: Socorro. Retrieved 2007-NOV-13.
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