Figure 2.

First Spring sightings of Ruby-throated hummingbirds in 2005 occurred during February in Louisiana and Florida (arrows) before the birds had been reported in Texas. Source: Hummingbirds.net http://www.hummingbirds.net/map.html#south webcite.

Hargrove Nutrition Journal 2005 4:36   doi:10.1186/1475-2891-4-36
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