File:Living gecko hunting the pointer of a mouse.webm

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Summary

Description
English: Clinging to the screen of a computer, a real gecko Hemidactylus frenatus is hunting the pointer of the mouse, assimilated to a tasty prey. The arrow is followed for more than a minute by the young reptile, perceiving the silhouette of something like an insect. With the mouse, the user of the computer can move the cursor to cause the almost automatic movement of the gecko, unable to make visually the difference between a small triangular virtual shape and a real animal on the run. It is thus a sensory illusion, where the pointer acts like a lure to influence an instinctive animal behavior. Usually, these geckos feed on small butterflies attracted by light through window panes, where they are easily captured. In addition to the similar appearance of the prey with ordinary food, the confusion can also be explained by the juvenile predator, poorly experienced. This image won the 3rd prize of the Wiki Science Competition category Wildlife and nature from France in 2019.
Français : Accroché à l'écran d'un ordinateur, un réel gecko Hemidactylus frenatus pourchasse le pointeur de la souris qu'il assimile à une proie appétissante. La flèche est poursuivie durant plus d'une minute par le jeune reptile en chasse, qui croit voir la silhouette d'un insecte. Via la souris, l'utilisateur de l'ordinateur peut déplacer le curseur pour entraîner le mouvement quasi-téléguidé du gecko, incapable visuellement de faire la différence entre une forme virtuelle triangulaire de petite taille et un véritable animal en fuite. Il s'agit donc d'une illusion sensorielle, où le pointeur agit comme un leurre pour influencer un comportement instinctif. Habituellement, ces geckos se nourrissent de petits papillons attirés par la lumière à travers les carreaux des fenêtres, où ils sont facilement capturés. Outre l'aspect similaire de la proie avec une nourriture ordinaire, la confusion peut aussi s'expliquer par le caractère juvénile du prédateur faiblement expérimenté. Cette image a remporté le 3e prix de la Wiki Science Competition catégorie Wildlife and nature from France en 2019.
Čeština: Nezkušený gekon pronásleduje na monitoru počítače obrázek šipky počítačové myši.
Эрзянь: Ёрокчинь gecko алтави вертуальной добычасо.
Polski: Niedoświadczony gekon (Hemidactylus frenatus) zwabiony wirtualną zdobyczą.
Date
Source Own work
Open-source software in the background © OpenOffice.org
Author Basile Morin
Camera location13° 59′ 07.48″ N, 105° 54′ 55.84″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Assessment

Media of the day This file was selected as the media of the day for 23 November 2019. It was captioned as follows:
English: Inexperienced gecko lured by a virtual prey.
Other languages
Čeština: Nezkušený gekon pronásleduje na monitoru počítače obrázek šipky počítačové myši.
English: Inexperienced gecko lured by a virtual prey.
Эрзянь: Ёрокчинь gecko алтави вертуальной добычасо.
Polski: Niedoświadczony gekon (Hemidactylus frenatus) zwabiony wirtualną zdobyczą.

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Captions

Clinging to the screen of a computer, a living gecko is hunting the pointer of a mouse, assimilated to a tasty prey

13°59'7.48"N, 105°54'55.84"E

10 June 2014

video/webm

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Date/TimeThumbnailDimensionsUserComment
current11:22, 6 November 20191 min 4 s, 1,920 × 1,080 (97.74 MB)Basile MorinUser created page with UploadWizard
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