Cozumel Thrasher
A species of American Thrashers Scientific name : Toxostoma guttatum Genus : American Thrashers
Cozumel Thrasher, A species of American Thrashers
Botanical name: Toxostoma guttatum
Genus: American Thrashers
Content
Description General Info
Description
The thrasher is 21.5 to 24 cm in length. The adult has a brown crown, back, shoulders, and rump that becomes more red in its tint on its lower back and rump. Greater and lesser coverts are a warm brown with concealed white tips, preceded with a black bar. Primaries and secondaries are grayish-brown with warm rufous-brown outer webs. The rectrices are also have a warm brown color. The lores and ear-coverts are a mottled grey brown. The chin and throat are an off-white color with a blackish partial malar stripe. The chest is a buffy-white in color with stark black teardrop shaped spots. The belly is off-white, and the flanks have larger black spots. Its vent is buffy and an underwing that is buffy-white with darker markings. The iris is yellow, the bill is grayish-brown, and the legs are brown with a dull tint. Juveniles' plumage have not been recorded, but presumably is similar in development to adulthood like the long-billed and brown thrasher. 
Size
24 cm
General Info
Behavior
The thrasher is predominately terrestrial and elusive and as with all members of the genus Toxostoma, it may resort to running instead of flying when startled. Ornithologists Ludlow Griscom and Raymond A. Paynter, Jr. had noted its secretive behavior, but James Bond did not. The song is described as a rich varied warbling, slightly scratchy with little repetition. Bond described its alarm note being similar to the brown thrasher.
Distribution Area
The distribution of the thrasher is restricted to Isla Cozumel which is 45 km long and 20 km wide. The habitat preferences for the thrasher is thought to be in low and medium deciduous and semi-deciduous forests. It may have once been most abundant in forest edges adjacent to clearings.
Species Status
The numbers of this bird declined rapidly when Hurricane Gilbert hit this island on September 14, 1988. Until it was sighted in June 2004, this bird had last been seen in 1995, the same year that Hurricane Roxanne hit Cozumel on October 11, and it was widely believed to have become extinct. It is still unclear what damage the impact of Hurricanes Emily and Wilma in 2005 caused; it seems that the bird was not found anymore during a survey in December 2006 Inquiry from the local population had suggested that the species would likely be encountered near the Mayan ruins of San Gervasio. The last - unconfirmed - sightings were in April 2006, where an apparent T. guttatum was sighted at the Cozumel Golf Club; in October and December 2007, thrashers were also seen but could not be reliably identified as T. guttatum. Relocation efforts continue; though at least a few birds seem to survive, the continuing existence of this species had not been verified as of January 2008. Some scientists believe that other factors must have contributed to the bird's decline, because the Cozumel thrasher likely survived hurricanes for millennia. Introduced species, including predatory boa constrictors—which were released on the island in 1971 and are now abundant—may also have had a detrimental effect.
Scientific Classification
Phylum
Chordates Class
Birds Order
Perching birds Family
Mimids Genus
American Thrashers Species
Cozumel Thrasher 
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