Related Experiment Video
Updated: Aug 24, 2025

09:11
Cortisol Measurement in Koala Phascolarctos cinereus Fur
Published on: August 23, 2019
10.8K
Kākāpō.
Yasmin Foster1, Bruce C Robertson1
1Department of Zoology, University of Otago, Dunedin, New Zealand.
Current Biology : CB
|October 25, 2022
Summary
Discover the kākāpō, a unique, critically endangered flightless parrot. Learn about this fascinating bird
Area of Science:
- Ornithology
- Conservation Biology
Background:
- The kākāpō (Strigops habroptilus) is a critically endangered, nocturnal, flightless parrot endemic to New Zealand.
- This unique species represents a significant evolutionary lineage within the parrot order (Psittaciformes).
Purpose of the Study:
- To introduce the kākāpō, highlighting its unique characteristics and conservation status.
- To underscore the importance of conservation efforts for this enigmatic species.
Main Methods:
- Observational studies.
- Literature review on kākāpō biology and conservation.
Main Results:
- The kākāpō is the world's only flightless parrot.
- The species faces extreme endangerment due to introduced predators and habitat loss.
Conclusions:
- Urgent and sustained conservation interventions are critical for the kākāpō's survival.
- Further research into kākāpō ecology and breeding is essential for effective management.
Related Concept Videos
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
Conservation of Small Populations
13.3K
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...
13.3K
Keystone Species
22.0K
Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
22.0K
Testing a Claim about Mean: Unknown Population SD
3.6K
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...
3.6K
The Fossil Record
25.4K
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...
25.4K
Naturalistic Observations
15.6K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
15.6K

