Animal behavior: Timing escape on angular size or angular velocity?

Animals avoid rapidly approaching objects. In many arthropods, angular size is a common visual cue used to decide the time of avoidance. A new study shows that fiddler crabs decide when to escape based on object angular expansion velocity.

Bibliographic Details
Authors: Tomsic, Daniel, Rind, Claire
Format: article
Status:Published version
Publication Date:2023
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/228577
Online Access:http://hdl.handle.net/11336/228577
Access Level:Open access
Keyword:Looming detection
Avoidance response
Decision-making
Crab
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
Description
Summary:Animals avoid rapidly approaching objects. In many arthropods, angular size is a common visual cue used to decide the time of avoidance. A new study shows that fiddler crabs decide when to escape based on object angular expansion velocity.