Science News | Watch a jumping spider’s focus shift from a cricket to a predator | Science News @ScienceNewsMag | Uploaded October 2021 | Updated October 2024, 9 hours ago.
A jumping spider watches videos while a special eye tracker records where the spider’s principal eyes are looking. Researchers can tell that a jumping spider is focusing its principal eyes on a cricket silhouette when the white X lands and stays on the cricket. While the principal eyes focus on the cricket, the researchers add shapes like a growing or receding oval in view of the secondary eyes. Only when the oval is growing do the principal eyes shift their focus to the oval. An object growing in the periphery just might be an approaching predator.
Read more: sciencenews.org/article/jumping-spider-vision-eyes-color-senses-hearing-mating-courtship
Video: Elizabeth Jakob
A jumping spider watches videos while a special eye tracker records where the spider’s principal eyes are looking. Researchers can tell that a jumping spider is focusing its principal eyes on a cricket silhouette when the white X lands and stays on the cricket. While the principal eyes focus on the cricket, the researchers add shapes like a growing or receding oval in view of the secondary eyes. Only when the oval is growing do the principal eyes shift their focus to the oval. An object growing in the periphery just might be an approaching predator.
Read more: sciencenews.org/article/jumping-spider-vision-eyes-color-senses-hearing-mating-courtship
Video: Elizabeth Jakob
