Isn't that a Dragonfly? As long as you stay away from its tail, it's no big danger.
Dragonflies appear in the Southern Swamp. They possess electric tails that can electrocute Link and pose as threats that make flying with a Deku Flower difficult. They can be defeated with any weapon, but are especially vulnerable to projectile weapons, such as the Hero's Bow and Deku Link's Bubble Blast.
Twilight Princess
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The Side Quest "Little Sister's Big Request" requires Link to gather each type of Dragonfly for Jana as Gleema's birthday present.[6][7] However, Jana will become disgusted by the Dragonflies and asks Link to deliver them in her stead.[8] Jana will give Link a Silver Rupee upon completing this quest.
This dragonfly prefers the cool shade of trees to the warmth of the sun. Its wings disperse heat from its body, which can be cooked into a heat-resistant elixir.
This dragonfly has a special organ that causes it to sweat profusely. Cook it with monster parts for an elixir that will raise your core temperatures so you can resist the cold.
This rare dragonfly only appears in the rain. Its wings direct electricity away from its body. Cook it with monster parts for an electricity-resistant elixir.
This dragonfly prefers the cool shade of trees to the warmth of the sun. Its wings disperse heat from its body, which can be cooked into a heat-resistant elixir.
This dragonfly has a special organ that causes it to sweat profusely. Cook it with monster parts for an elixir that will raise your core temperatures so you can resist the cold.
This rare dragonfly only appears in the rain. Its wings direct electricity away from its body. Cook it with monster parts for an electricity-resistant elixir.
This dragonfly prefers the cool shade of trees to the warmth of the sun. Its wings disperse heat from its body, which can be cooked into a heat-resistance elixir.
This dragonfly has a special organ that causes it to sweat profusely. Cook it with monster parts for an elixir that will raise your core temperature so you can resist the cold.
This rare dragonfly only appears in the rain. Its wings direct electricity away from its body. Cook it with monster parts for an electricity-resistance elixir.
This dragonfly prefers the cool shade of trees to the warmth of the sun. Its wings disperse heat from its body, which can be cooked into a heat-resistance elixir.
This dragonfly has a special organ that causes it to sweat profusely. Cook it with monster parts for an elixir that will raise your core temperature so you can resist the cold.
This rare dragonfly only appears in the rain. Its wings direct electricity away from its body. Cook it with monster parts for an electricity-resistance elixir.
The following section is not part of the Zelda canon and should not be taken as such.
A Dragonfly in Zelda's Adventure
In Zelda's Adventure, Dragonflies appear as enemies. Their appearance is more closely based on their real world namesake. They are rather weak and can be easily defeated by any of Zelda's weapons. They also have a high tendency of dropping Hearts when defeated. Dragonflies are first encountered in the Shrine of Air, but later also appear in the Vision Henge when Malmord combusts into a swarm of Dragonflies after being struck. These Dragonflies are notably the only enemies in the Vision Henge that will drop Hearts.
↑Encyclopedia, Dark Horse Books, pg. 124 (SSSkyward Sword)
↑Gerudo Dragonfly A desert insect that will fly far to escape capture. Creep up on it to catch it. — Collection (Skyward Sword HD)
↑When I grow up, I wanna travel the world and meet some real dragonflies! — Gleema (Breath of the Wild)
↑Om de twee blokken te verwijderen die de toegang naar het westen blokkeren, moet Zelda eerst alle vier de Dragonflies doden. (To remove the two blocks blocking the way west, Zelda must first kill all four Dragonflies.) (CD Interactief vol. 3 no. 12, HUB Uitgevers, December 1996, pg. 41)