Little has been published about the behavior of Golden-breasted Puffleg. This hummingbird usually forages at low flowers (Hilty and Brown 1986, Fjeldså and Krabbe 1990). Golden-breasted Puffleg also often gleans nectar while perched (clinging to flowers), as well as in hovering flight (Fjeldså and Krabbe 1990).
Golden-breasted Puffleg sometimes holds the wings up momentarily after alighting on a perch (Hilty and Brown 1986).
Little information. Golden-breasted Puffleg is described by Hilty and Brown (1986) as "active and aggressive" in territorial defense, but the size of the area defended has not been quantified.
Social and interspecific behavior
Golden-breasted Puffleg usually is solitary, as is typical of hummingbirds.
Hilty and Brown (1986) describe Golden-breasted Puffleg as "active and aggressive" in defense of "its territory", but do not mention whether these actions are directed only at conspecifics or whether the puffleg is agonistic towards other species as well.
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