Ruby-throated hummingbird video

This video is from the USA.

According to the YouTube text:

A few clips from the summer of 2006 in slow motion including one of a ruby-throat[ed] hummingbird following my finger pointing direction.

Ruby-throated hummingbird: here.

Ruby-throated Hummingbird Arrival Dates and Breeding in Canada: here.

Broad-tailed hummingbird: here.

A green-fronted brilliant hummingbird photo from Costa Rica was at the Frans Lanting exhibition in Naturalis museum in Leiden in 2007.

Evolutionary associations between nectar properties and specificity in bird pollination systems: here.

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• High-speed video and artificial flowers shed light on mysteries of hummingbird-pollinated flowers (esciencenews.com)
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