Articles on Wildlife monitoring

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Gray whales have unique markings, making it possible to track each one in the bay. Jane Tyska/Digital First Media/East Bay Times via Getty Images

Gray whales are dying in San Francisco Bay at an alarming rate – this isn’t normal

In the past, the gray whale population recovered fairly quickly. But data on baby whales show that isn’t happening, and a new study finds an alarmingly high mortality rate.
Shutterstock/ Glenda Rees

To save Australia’s animals, scientists must count how many are left. But what if they’re getting it wrong?

Wildlife monitoring is vital to arresting Australia’s extinction crisis. But research shows we may be getting false pictures of how species are faring.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
A drone image of a breeding colony of Greater Crested Terns. Researchers used plastic bird decoys to replicate this species in an experiment that compared different ways of counting wildlife. Jarrod Hodgson

‘Epic Duck Challenge’ shows drones can outdo people at surveying wildlife

A few thousand fake ducks, a group of experienced wildlife spotters and a drone have proven the usefulness and accuracy of drones for wildlife monitoring.

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