Science database

KNOWLEDGE BASE

We have gathered decades of scientific research from Great Britain, continental Europe and North America to share with people interested in diving deeper into the world of beavers.

This list of resources is being constantly amended and updated.

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Estimates of underwater and aerial visual acuity in the European beaver Castor fiber L. based on morphological data

Published by: Doklady Biological Sciences

16th May 2017

Researchers examined the eye structure of Eurasian beavers, seeking to work out how good their vision is in air and water. Beavers have adapted to be able to see in both environments, however the findings showed that beavers have significantly better vision - in terms of resolution and ability to focus - above water than under it. This was the first study to analyse the Eurasian beaver's visual system. Please note, this resource is not open-access.

Couch potatoes do better: Delayed dispersal and territory size affect the duration of territory occupancy in a monogamous mammal

Published by: Ecology and Evolution

10th May 2017

This study followed Eurasian beavers over 18 years to understand why they stay in their territories for different lengths of time. They found that beavers which arrived in a territory when they were older stayed longer, likely because they were bigger. Medium-sized territories were best for long stays, suggesting larger ones were too hard to patrol and smaller ones lacked resources. Holding a territory led to more baby beavers, showing how important these decisions are for their survival.

Age‐specific reproduction in relation to body size and condition in female Eurasian beavers

Published by: Journal of Zoology

28th April 2017

In Norway, scientists investigated growth and reproduction in 59 female beavers. They found that beavers often first became parents around age two or three, but sometimes later. Pregnancy was more common in heavier, fatter beavers. It was fairly common for female beavers to take a year off reproducing. They also explore how nutrition across the different seasons affects beaver reproduction.

Birds, Bats, Bugs, Beavers, Bacteria: Lessons from Nature

Published by: Createspace

28th April 2017

This book features 37 essays exploring a wide range of organisms from viruses to plants to beavers and other animals. It looks at their lives and their role in folklore and scientific discoveries. This showcases how nature's solutions inspire human innovation. The essays are said to be engaging and humorous. Please note, this resource is not open-access.

Gene structure of the pregnancy-associated glycoprotein-like (PAG-L) in the Eurasian beaver (Castor fiber L.)

Published by: Functional and Integrative Genomics

29th March 2017

For the first time, researchers located (within the Eurasian beaver's genetic sequence) the code for some specific proteins associated with pregnancy. The text describes the gene's structure, some of the ways it varies across different individual beavers, and the methodology they used to identify it. Little research had been conducted on beaver genetics at the time of writing.

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