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Out of the box: how bees orient in an ambiguous environment

Dittmar, Laura and Stürzl, Wolfgang and Jetzschke, Simon and Mertes, Marcel and Boeddeker, Norbert (2014) Out of the box: how bees orient in an ambiguous environment. Animal Behaviour, 89, pp. 13-21. Elsevier. ISSN 0003-3472

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Official URL: http://www.journals.elsevier.com/animal-behaviour/

Abstract

How do bees employ multiple visual cues for homing? They could either combine the available cues using a view-based computational mechanism or pick one cue. We tested these strategies by training honeybees, Apis mellifera carnica, and bumblebees, Bombus terrestris, to locate food in one of the four corners of a box-shaped flight arena, providing multiple and also ambiguous cues. In tests, bees confused the diagonally opposite corners, which looked the same from the inside of the box owing to its rectangular shape and because these corners carried the same local colour cues. These ‘rotational errors’ indicate that the bees did not use compass information inferred from the geomagnetic field under our experimental conditions. When we then swapped cues between corners, bees preferred corners that had local cues similar to the trained corner, even when the geometric relations were incorrect. Apparently, they relied on views, a finding that we corroborated by computer simulations in which we assumed that bees try to match a memorized view of the goal location with the current view when they return to the box. However, when extra visual cues outside the box were provided, bees were able to resolve the ambiguity and locate the correct corner. We show that this performance cannot be explained by view matching from inside the box. Indeed, the bees adapted their behaviour and actively acquired information by leaving the arena and flying towards the cues outside the box. From there they re-entered the arena at the correct corner, now ignoring local cues that previously dominated their choices. All individuals of both species came up with this new behavioural strategy for solving the problem provided by the local ambiguity within the box. Thus both species seemed to be solving the ambiguous task by using their route memory, which is always available during their natural foraging behaviour.

Item URL in elib:https://elib.dlr.de/93457/
Document Type:Article
Title:Out of the box: how bees orient in an ambiguous environment
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dittmar, Lauralaura.dittmar (at) uni-bielefeld.deUNSPECIFIED
Stürzl, Wolfgangwolfgang.stuerzl (at) dlr.deUNSPECIFIED
Jetzschke, Simonsimon.jetzschke (at) uni-bielefeld.deUNSPECIFIED
Mertes, Marcelmarcel.mertes (at) uni-bielefeld.deUNSPECIFIED
Boeddeker, Norbertnorbert.boeddeker (at) uni-bielefeld.deUNSPECIFIED
Date:2014
Journal or Publication Title:Animal Behaviour
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:89
Page Range:pp. 13-21
Publisher:Elsevier
ISSN:0003-3472
Status:Published
Keywords:bees, features, geometry, homing, learning, orientation, snapshot matching, space perception, view-based navigation, vision
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Multisensorielle Weltmodellierung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (since 2013) > Perception and Cognition
Deposited By: Stürzl, Wolfgang
Deposited On:07 Jan 2015 14:03
Last Modified:08 Mar 2018 18:37

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