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

Conservation of Declining Populations02:07

Conservation of Declining Populations

9.6K
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.
9.6K
Hybrid Zones02:29

Hybrid Zones

16.9K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
16.9K
What is Conservation Biology?01:57

What is Conservation Biology?

18.4K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
18.4K
Convergent Evolution01:54

Convergent Evolution

27.6K
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.
27.6K
Habitat Fragmentation02:31

Habitat Fragmentation

17.4K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.4K
Conservation of Small Populations02:04

Conservation of Small Populations

13.1K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
13.1K

You might also read

Related Articles

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

Sort by
Same author

All hail the warrior: How reinforcement sensitivity theory and leadership training explain naïve perceptions of military leadership.

Military psychology : the official journal of the Division of Military Psychology, American Psychological Association·2025
Same author

Thalidomide-induced limb malformations: an update and reevaluation.

Archives of toxicology·2025
Same author

A model-based approach to designing developmental toxicology experiments using sea urchin embryos.

Archives of toxicology·2022
Same author

Application of image processing to evidence for the persistence of the Ivory-billed Woodpecker (Campephilus principalis).

Scientific reports·2020
Same author

Bird Tissues from Museum Collections Are Reliable for Assessing Avian Haemosporidian Diversity.

The Journal of parasitology·2019
Same author

Acoustic recordings and modeling under seasonally varying sea ice.

Scientific reports·2019

Related Experiment Video

Updated: Jun 16, 2025

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

8.6K

A resolvable controversy in avian conservation.

Michael D Collins1

  • 1Naval Research Laboratory, Washington, DC 20375, USA.

Heliyon
|August 21, 2024
PubMed
Summary

The Ivory-billed Woodpecker

Area of Science:

  • Ornithology
  • Conservation Biology
  • Wildlife Management

Background:

  • The Ivory-billed Woodpecker (Campephilus principalis) is an iconic species.
  • Rediscovery in 2005 sparked hope, but its persistence became controversial due to lack of clear photographic evidence.
  • Subsequent video footage and other evidence were met with criticism and delays.

Purpose of the Study:

  • To summarize twenty years of missed opportunities in conserving the Ivory-billed Woodpecker.
  • To highlight the suppression of evidence supporting the species' persistence.
  • To critique the decision to declare the species extinct without addressing all available data.

Main Methods:

  • Review of evidence presented in scientific publications and reports.
  • Analysis of the discourse surrounding the Ivory-billed Woodpecker's status.

More Related Videos

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

8.2K
A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo
07:39

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo

Published on: July 22, 2018

7.6K

Related Experiment Videos

Last Updated: Jun 16, 2025

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

8.6K
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

8.2K
A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo
07:39

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo

Published on: July 22, 2018

7.6K
  • Examination of the timeline of evidence publication and critical reception.
  • Main Results:

    • Despite strong evidence, including video footage, the Ivory-billed Woodpecker's persistence remained debated for years.
    • Critics delayed the publication of robust evidence for a decade.
    • The U.S. Fish & Wildlife Service declared the species extinct in 2021, disregarding key evidence.

    Conclusions:

    • There was a significant failure to act on opportunities to save the Ivory-billed Woodpecker.
    • Suppression of scientific evidence and flawed discourse hindered conservation efforts.
    • The decision to declare extinction was premature and lacked thorough consideration of all data.