Dragonflies / Dragonfly

Dragonflies / Dragonfly - Sciences, Education, Art, Writing, UFO - Posted: 27th Mar, 2020 - 1:27pm

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Post Date: 15th Jul, 2009 - 3:28pm / Post ID: #

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Dragonflies / Dragonfly

Longest insect migration revealed

Millions of dragonflies cross the Indian Ocean each year, in a previously unknown epic migration. Ref. Source 8

Image from Wikimedia public domain.

Dragonflies / Dragonfly
Dragonflies / Dragonfly (Hover)

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Post Date: 15th Jul, 2009 - 4:43pm / Post ID: #

Dragonflies / Dragonfly
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Dragonfly Dragonflies

That sounds like a long journey. I wonder how many get tired on the flight over and end up as fish food.

Post Date: 1st Jul, 2017 - 11:16am / Post ID: #

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Dragonflies / Dragonfly UFO & Writing Art Education Sciences

Dragonflies reveal how biodiversity changes in time and space. In one of the first studies of its kind, ecologists monitored East Texas dragonfly communities for years to show that simple mechanisms could be used to predict how biodiversity varies across time and space. Source 4o.

Post Date: 27th Mar, 2020 - 1:27pm / Post ID: #

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Dragonfly Dragonflies

Dragonflies are efficient predators. A study has found that small, fiercely predatory damselflies catch and eat hundreds of thousands of insects during a single summer -- in an area surrounding just a single pond. In terms of weight, this equates to a total prey mass of just under a kilo. Dragonflies mostly catch different kinds of midges, but also large numbers of other insects. Source 1p.


 
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