Department of Bioscience

NEWS

2018.11.16 |

A bigger nose, a bigger bang: size matters for echolocating toothed whales

Whales, dolphins, and porpoises have all evolved to use similar narrow beams of high intensity sound to echolocate prey. Far from being inefficient, this highly focused sense may have helped them succeed as top predators in the world's oceans.

The wigeon (top from left to right), the shoveler, the pintail and the golden-eye. Images: Pixabay
Wing samples submitted by Danish hunters show a decrease in the number of young teal, shovelers, pintail, wigeon, tufted ducks and golden-eyes. Illustration: Fox & Christensen
The development in the annual share of females among adult ducks among wing samples sumitted by Danish hunters 1982-2017. Illustration: Fox & Christensen
The development in the annual share of juvenile females in wing samples submitted by Danish hunters in the period 1982-2017. Illustration: Fox & Christensen

2018.11.01 |

Fewer females cause ripples in the duck pond

A new study from the Department of Bioscience shows a surprising decrease in the proportion of females among four common waterfowl. Researchers are concerned about the uneven gender balance and predict it could have consequences for the populations, if the trend continues.

UPCOMING EVENTS

Fri 23 Nov
13:00-15:00 | Department of Bioscience, C.F. Møllers Allé 3, building 1131-127
Nervous control of blood pressure
Final examination for the Master's degree: Cathrine Overgaard, Zoophysiology
Mon 26 Nov
16:15-18:15 | The AIAS Auditorium, Building 1632, Høegh-Guldbergs Gade 6B, 8000 Aarhus C
Evolution of the Heart
AIAS Fellows' Seminar: Tobias Wang, , AIAS JCS Fellow
Tue 27 Nov
13:00-15:00 | AU Foulum, Viborg
Næringsstofudvaskning under økologiske slagtesvin på friland
Final Examination for the Master's Degree: Line Aagaard Lauridsen, Catchment Science and Environmental Management

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Electromicrobiology – from electrons to ecosystems

Conference, Aarhus, Denmark, 21-22 March 2019