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Related Experiment Video

Updated: May 10, 2026

Visually Sexing Loggerhead Shrike (Lanius Ludovicianus) Using Plumage Coloration and Pattern

Visually Sexing Loggerhead Shrike (Lanius Ludovicianus) Using Plumage Coloration and Pattern

Published on: March 8, 2020

Space partitioning without territoriality in gannets.

Ewan D Wakefield¹, Thomas W Bodey, Stuart Bearhop

¹School of Biology, University of Leeds, Leeds, UK. e.d.wakefield@leeds.ac.uk

Science (New York, N.Y.)

|June 8, 2013

Summary

This summary is machine-generated.

Northern gannets exhibit distinct foraging areas between colonies, driven by competition. This spatial segregation may involve social learning, promoting colony divergence.

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Area of Science:

Animal behavior
Ecology
Ornithology

Background:

Colonial breeding is common in animals.
Species differ in foraging strategies, with some using territories and others not.

Purpose of the Study:

To investigate foraging patterns of northern gannets from 12 colonies.
To determine the factors influencing spatial segregation of foraging areas.

Main Methods:

Satellite tracking of northern gannets from 12 colonies.
Analysis of foraging home ranges and overlap.

Main Results:

Northern gannets from different colonies forage in largely mutually exclusive areas.
Colony-specific foraging ranges are influenced by density-dependent competition.

Conclusions:

Density-dependent competition shapes foraging segregation in northern gannets.
Public information transfer may enhance segregation and lead to colony divergence.