Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Evidence for Evolution02:55

The Evidence for Evolution

43.8K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
43.8K
Conservation of Declining Populations02:07

Conservation of Declining Populations

9.7K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.7K
Limits to Natural Selection01:38

Limits to Natural Selection

32.2K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
32.2K
Convergent Evolution01:54

Convergent Evolution

28.9K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
28.9K
Mate Choice01:20

Mate Choice

10.4K
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
10.4K
Optimal Foraging00:48

Optimal Foraging

12.4K
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.
12.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fifty Years Later, and We Still Don't Know About Badges of Status.

Ecology and evolution·2026
Same author

Adapting to Urban Heights: Multidimensional Gradients Drive Nest-Selection Plasticity and Trade-Offs in a Human-Commensal Sparrow.

Integrative zoology·2026
Same author

Pollutant Exposure Shapes Mitochondrial Bioenergetics in a Wild Seabird.

Environment & health (Washington, D.C.)·2026
Same author

Growing up together or apart: rearing experience effects on opposite-sex sibling discrimination in Chilean brush tailed mouse (Octodon degus).

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2026
Same author

Endoparasites of the Imperial Cormorant (Leucocarbo atriceps) in the Falkland Islands: investigation of secondary hosts and detection methods.

Parasitology research·2026
Same author

Acute and chronic extreme cold weather events influence hypothalamic and testicular gene networks in a free-living Arctic breeding songbird, the Lapland longspur.

Hormones and behavior·2026

Related Experiment Video

Updated: Sep 8, 2025

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
07:34

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients

Published on: August 22, 2018

8.3K

Austral birds offer insightful complementary models in ecology and evolution.

Jörn Theuerkauf1, Camila P Villavicencio2, Nicolas M Adreani3

  • 1Museum and Institute of Zoology, Polish Academy of Sciences, 00-679 Warsaw, Poland.

Trends in Ecology & Evolution
|June 12, 2022
PubMed
Summary

Southern Hemisphere ecosystems offer unique insights into ecology and evolution. Prioritizing southern-hemisphere research reveals overlooked biological phenomena and enhances global scientific understanding.

Keywords:
Austral ornithologySouthern Hemispherebiological modelsfundamental biological questions

More Related Videos

Who is Who? Non-invasive Methods to Individually Sex and Mark Altricial Chicks
08:14

Who is Who? Non-invasive Methods to Individually Sex and Mark Altricial Chicks

Published on: May 24, 2014

18.5K
A Push-pull Protocol to Reduce Colonization of Bird Nest Boxes by Honey Bees
06:03

A Push-pull Protocol to Reduce Colonization of Bird Nest Boxes by Honey Bees

Published on: September 4, 2016

8.7K

Related Experiment Videos

Last Updated: Sep 8, 2025

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
07:34

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients

Published on: August 22, 2018

8.3K
Who is Who? Non-invasive Methods to Individually Sex and Mark Altricial Chicks
08:14

Who is Who? Non-invasive Methods to Individually Sex and Mark Altricial Chicks

Published on: May 24, 2014

18.5K
A Push-pull Protocol to Reduce Colonization of Bird Nest Boxes by Honey Bees
06:03

A Push-pull Protocol to Reduce Colonization of Bird Nest Boxes by Honey Bees

Published on: September 4, 2016

8.7K

Area of Science:

  • Ecology and Evolutionary Biology
  • Ornithology

Background:

  • Most ecological and evolutionary research occurs in the Northern Hemisphere.
  • Conclusions from Northern Hemisphere studies are often generalized globally, overlooking Southern Hemisphere specifics.

Purpose of the Study:

  • To highlight the importance of a Southern Hemisphere perspective in ecological and evolutionary research.
  • To showcase unique biological examples from the Southern Hemisphere that can address fundamental questions.

Main Methods:

  • Utilizing ornithology as a model system.
  • Presenting case studies on plumage pigmentation, brood-parasitic nestling ejection, flightlessness, female song, and female aggression.

Main Results:

  • Southern Hemisphere organisms exhibit distinct traits (e.g., plumage, social behaviors) valuable for research.
  • These traits serve as complementary models for investigating core biological concepts.

Conclusions:

  • Increased research and collaboration within the Southern Hemisphere are crucial for a comprehensive global ecological and evolutionary outlook.
  • Integrating southern perspectives enriches our understanding of life's diversity and evolutionary processes.