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Related Concept Videos

Optimal Foraging

Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

What is Behavior?

What is Behavior?

Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.

Evolutionary Psychology

Evolutionary Psychology

Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...

What is Evolutionary History?

What is Evolutionary History?

Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.Phylogenetic trees illustrate the evolutionary relationships among these organisms. Scientists infer organisms’ common ancestry by evaluating shared morphological and genetic characteristics. Together, the fossil...

The Fossil Record

The Fossil Record

The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...

Predator-Prey Interactions

Predator-Prey Interactions

Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.Although predation is commonly associated with carnivory, for...

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Related Experiment Video

Updated: Jun 5, 2026

Tracking Sugar-Elicited Local Searching Behavior in Drosophila

Tracking Sugar-Elicited Local Searching Behavior in Drosophila

Published on: November 17, 2023

Animal foraging: past, present and future.

G Perry¹, E R Pianka

¹Brown Tree Snake Project at the Dept of Zoology, Ohio State University, 1735 Neil Avenue, Columbus, OH 43210, USA, and PO Box 8255, MOU-3, Dededo, GU 96912, USA.

Trends in Ecology & Evolution

|January 18, 2011

Summary

This summary is machine-generated.

Research on animal foraging behavior has advanced significantly. Optimal foraging theory and empirical studies are now merging into a more complex framework, incorporating modern phylogenetic methods to understand evolutionary insights.

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Area of Science:

Zoology
Ecology
Evolutionary Biology

Background:

Foraging behavior studies have expanded greatly over the last 30 years.
Two primary approaches exist: theoretical (optimal foraging theory) and empirical.

Purpose of the Study:

To summarize the evolution of foraging behavior research.
To highlight the coalescence of theoretical and empirical approaches.
To introduce the role of modern phylogenetic methods.

Main Methods:

Literature review and synthesis of theoretical and empirical studies.
Analysis of the integration of different research paradigms.
Discussion of the application of phylogenetic methods.

Main Results:

Foraging behavior research has evolved from distinct theoretical and empirical schools.
A convergence between optimal foraging theory and empirical observation is evident.
Newer models integrate complexity, combining theoretical predictions with empirical data.

Conclusions:

The field of foraging behavior is increasingly unified.
A complex, integrated framework is emerging, blending theory and observation.
Phylogenetic methods offer promising avenues for studying the evolution of foraging strategies.