Common backswimmer
The common backswimmer is a small water insect that swims upside down, under the surface of ponds. It hunts other small water creatures and can fly between ponds when the weather is warm. It is the most common backswimmer in much of its range.1

Humna summii
Summiin yeroo ciniinu ilkaan summii ykn ilkaan isaa keessaan ba'a.
Namootaaf hammam balaa qaba?
Balaa namootaaf: SalphaaAkka iddii kanniisaa ykn sanaa gadi. Namootaaf gonkumaa jechuun ni danda'ama miidhaa hin qabu.
Yoo ciniine
- Rifeensa raammoo iddu irratti: teeppii maxxanaatiin kaasi, sana booda gogaa dhiqi. Hin sukkuumin.
- Ciniinnaaf: dhiqi fi qabbaneessi. Yoo namichi dhukkubsate ykn salphaatti dhiigni isa ba'e, gargaarsa yaalaa argadhu.
Yeroo hunda dursa lakkoofsa balaa tasaa kee bilbili (112, 000, 911). Kun qajeelfama gargaarsa jalqabaa waliigalaa ti, gorsa yaalaa miti. Bu'uura gargaarsa jalqabaa
Nageenyaan turi
- Bineensa bosonaa gonkumaa hin tuqin, hin qabin, hin tuttuqin, xiqqaa ta'us, rafe ykn du'e fakkaatus.
- Iddoo itti kenni. Yoo tokko wajjin wal argite, tasgabbaa'i, suuta duubatti deebi'iitii karaa isaa akka deemu dhiisi.
- Yoo tokko si ciniine: tasgabbaa'i, sochii malee turi, lakkoofsa balaa tasaa kee (112, 000, 911) bilbili ykn dafii hospitaala ga'i. Maal akka fakkaatu yaadadhu, suuraan ni gargaara.
Si miidhuuf si hin barbaadu. Summii isaa nyaata qabachuuf ykn of eeguuf fayyadama, dhokachuu immoo baay'ee filata. Waa'ee nageenyaa dabalataan
Addunyaa keessaa eessatti?
Hammam guddaa dha?
Dheerinni isaa hammam?
quba kee isa xiqqaa caalaa gabaabaaCommon backswimmer SI wajjin yoo wal bira qabamu hammam guddaa dha?
Herrega qofa barsiisaa kee keessatti. Homtuu hin olkaa'amu, eessayyuu hin ergamu.
Hammam ariifata?
Dhugaawwan
It breathes air but has no gills. It keeps a thin film of air around its body, which can last up to 120 days.1
It can tell prey from other backswimmers by the surface waves they make. Prey waves are between 70 and 140 Hz, while other backswimmers make waves below 40 Hz.1
Its air film reduces drag when it dives. Scientists use it as a model for reducing drag, with possible uses such as on ships.1
It can see in both day and night. Its pupil takes about 40 minutes to adjust to daylight and about 50 minutes to adjust to night light.1
Dhugaawwan eessaa dhufu
- Notonecta glauca (Wikipedia (CC BY-SA 4.0))
- Notonecta glauca (iNaturalist): maqaa fi ramaddii.
- Venom Wiki: sadarkaan balaa, guddinni idilee fi tilmaamni ariitii kan keenya. Akkamitti akka hojjennu ilaali: Balaa akkamitti madaalla.
Dhugaan fuula kana irra jiru hundi lakkoofsa madda isaatti si qajeelchu qaba. Yoo waan tokko dogoggorre, dhiifama, nuti jaallattoota bineensotaa ti malee joornaalii saayinsii miti. [email protected] irratti nutti himi, ni sirreessina.
Ciniinnaa
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