Scientists are calling on the Australian authorities to review their decision to introduce the carp herpes virus as a way to combat the common carp having colonized the country's rivers. They not only believe that this measure will be ineffective but that it also represents a risk to ecosystems.
Genetic analysis showed about one-third of endangered delta smelt were misidentified in surveys of the Yolo Bypass. Their study found that genetic tools can be a powerful complement to visual identification of endangered fish.
It is difficult to distinguish males from females among King Penguins, but a new study reveals that King Penguins can be sexed with an accuracy of 100% based on the sex-specific syllable pattern of their vocalizations. Using the beak length, King Penguin individuals can be sexed with an accuracy of 79%.