Ontogeny of orientation flight in the honeybee revealed by harmonic radar.

Abstract:

:Cognitive ethology focuses on the study of animals under natural conditions to reveal ecologically adapted modes of learning. But biologists can more easily study what an animal learns than how it learns. For example, honeybees take repeated 'orientation' flights before becoming foragers at about three weeks of age. These flights are a prerequisite for successful homing. Little is known about these flights because orienting bees rapidly fly out of the range of human observation. Using harmonic radar, we show for the first time a striking ontogeny to honeybee orientation flights. With increased experience, bees hold trip duration constant but fly faster, so later trips cover a larger area than earlier trips. In addition, each flight is typically restricted to a narrow sector around the hive. Orientation flights provide honeybees with repeated opportunities to view the hive and landscape features from different viewpoints, suggesting that bees learn the local landscape in a progressive fashion. We also show that these changes in orientation flight are related to the number of previous flights taken instead of chronological age, suggesting a learning process adapted to changes in weather conditions, flower availability and the needs of bee colonies.

journal_name

Nature

journal_title

Nature

authors

Capaldi EA,Smith AD,Osborne JL,Fahrbach SE,Farris SM,Reynolds DR,Edwards AS,Martin A,Robinson GE,Poppy GM,Riley JR

doi

10.1038/35000564

keywords:

subject

Has Abstract

pub_date

2000-02-03 00:00:00

pages

537-40

issue

6769

eissn

0028-0836

issn

1476-4687

journal_volume

403

pub_type

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