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Teddi | all galleries >> Africa Trip - 2013 > 130101-6_DSCN1885.JPG
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Whistling Acacia. Wilfred gave us a very interesting botany lesson. The brown lumps are called galls and are formed by the plant when it is damaged by the ants (look closely). The ants make holes in the galls and live there and come out to attack any herbivore that tries to eat the plant. A mutually beneficial relationship. When the wind blows through the tiny holes the ants make in the galls it makes a whistling noise - hence the name.

Nikon COOLPIX P510
1/250s f/4.8 at 71.3mm iso200 hide exif
Full EXIF Info
Date/Time31-Dec-2011 19:08:22
Flash UsedNo
Focal Length71.3 mm
Exposure Time1/250 sec
ISO Equivalent200
Exposure Bias
White Balance
Metering Mode
JPEG Quality
Exposure Program
Focus Distance2.39 m

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