Dragonflies have two pairs of wings so there is no need to flap wings simultaneously.
They flap the wings about 30 times per second. The flying speed of dragonflies can reach 100 km / h.
How to fly a dragonfly is similar to a helicopter; they can fly forward, backward, up, and down.
Dragonflies are also capable of flying off due to strong flying muscles and wings that can move independently. 
Dragonflies are able to distinguish between light color, ultraviolet, and even polarized light.
This ability allows the dragonfly to detect reflections in water.
Each compound eye contains about 30,000 individual lenses.
In addition, they have a 360º viewing angle because of the position of their eyes. 
Dragonflies are usually found near water bodies such as ponds, lakes, slow-flowing streams, and other wetlands.
This insect loves a healthy body of water so it is considered a good source of water indicators.
World of Photography
>Visit the website<
You have earned 6.50 XP for sharing your photo!
Daily photos: 1/2
Daily comments: 0/5
Multiplier: 1.30
Block time: 2018-06-05T07:19:33
Total XP: 91.00/100.00
Total Photos: 14
Total comments: 0
Total contest wins: 0
Follow:
Join the Discord channel: click!
Play and win SBD:
Daily Steem Statistics:
Learn how to program Steem-Python applications:
Developed and sponsored by: @photocontests@fairlotto@dailysteemreport@steempytutorials @juliank
Congratulations @fuadiss! You have completed some achievement on Steemit and have been rewarded with new badge(s) :
<p dir="auto"><a href="http://steemitboard.com/@fuadiss" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link"><img src="https://images.hive.blog/768x0/https://steemitimages.com/70x80/http://steemitboard.com/notifications/votes.png" srcset="https://images.hive.blog/768x0/https://steemitimages.com/70x80/http://steemitboard.com/notifications/votes.png 1x, https://images.hive.blog/1536x0/https://steemitimages.com/70x80/http://steemitboard.com/notifications/votes.png 2x" /> Award for the number of upvotes <p dir="auto"><sub><em>Click on the badge to view your Board of Honor.<br /> <sub><em>If you no longer want to receive notifications, reply to this comment with the word <code>STOP <p dir="auto">To support your work, I also upvoted your post! <blockquote> <p dir="auto">Do you like <a href="https://steemit.com/@steemitboard" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">SteemitBoard's project? Then <strong><a href="https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Vote for its witness and <strong>get one more award!