Navigation Links
Lucky squirrels born with 'silver spoon' effect
Date:4/4/2008

As the saying goes, some people are born with silver spoons in their mouths. The same goes for at least one species of the animal world, according to research done in part by the University of Alberta.

A study of female red squirrels in Kluane, Yukon, revealed that advantageous silver spoon factors such as food availability and spring temperature experienced between birth and weaning could reflect later on each squirrels lifetime fitness, longevity and reproductive success.

Until the researchers controlled for conditions experienced during adulthood, these so-called silver spoon effects were masked, said Stan Boutin, a professor of biological sciences at the University of Alberta in Edmonton, Alberta, Canada and co-author of the study. The research was conducted jointly with Michigan State University, the University of Quebec at Rimouski, and the Universit Claude Bernard Lyon in France.

Using 15 years of data from a North American Red Squirrel population, the researchers discovered that female babies born into fortunate circumstances with more food, warmer spring weather and a lower population, experienced long-lasting positive effects on reproductive success, producing more offspring over the remainder of their lives.

In contrast, squirrels born into rougher circumstances with less food and bitter weather didnt live as long and tended to wean fewer young when they were alive.

One of the fundamental challenges for ecologists is to determine how resource levels affect the reproductive success of individual animals, said Boutin. Our study shows that some individuals get a real head start on their colleagues simply by being born in a good year. On the other hand, those having the bad luck of being born in a bad year may never get a taste of that silver spoon.


'/>"/>

Contact: Bev Betkowski
beverly.betkowski@ualberta.ca
780-492-3808
University of Alberta
Source:Eurekalert  

Page: 1

Related biology news :

1. Research with squirrels provides clues on hormones role in human learning
2. Squirrels use snake scent
3. Rare albino ratfish has eerie, silvery sheen
4. Gypsy moth management made more efficient, cost-effective
5. Faster koa tree growth without adverse ecosystem effects
6. Poll Shows Strong Doubts About Effectiveness of Federal Employment Verification System
7. HR Initiative Endorses Bill to Create an Effective, Mandatory Federal Employment Verification System
8. Effective ADHD treatment found for children with fragile X syndrome
9. New decontamination system kills anthrax rapidly without lingering effects
10. High blood pressure in older adults traced to genes effects in blood vessels
11. Jefferson scientists studying the effects of high-dose vitamin C on non-Hodgkin lymphoma patients
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Lucky squirrels born with 'silver spoon' effect
(Date:11/29/2016)... CANNES, France , November 29, 2016 Nearly ... Continue Reading ... ... System is part of an efficient Identity Management. (PRNewsFoto/DERMALOG Identification Systems) ... DERMALOG is Germany's largest Multi-Biometric ...
(Date:11/21/2016)...   Neurotechnology , a provider of high-precision ... that the MegaMatcher On Card fingerprint matching algorithm ... NIST Minutiae Interoperability Exchange (MINEX) III ... of the evaluation protocol. The ... fingerprint templates used to establish compliance of template ...
(Date:11/15/2016)... , Nov. 15, 2016  Synthetic Biologics, ... developing therapeutics focused on the gut microbiome, today ... of 25,000,000 shares of its common stock and ... stock at a price to the public of ... to Synthetic Biologics from the offering, excluding the ...
Breaking Biology News(10 mins):
(Date:12/2/2016)... ... December 01, 2016 , ... ACEA Biosciences, Inc. announced ... I/II clinical trials for AC0010 at the World Conference on Lung Cancer 2016, taking ... update on the phase I/II clinical trials for AC0010 in patients with advanced non-small ...
(Date:12/2/2016)... ... December 01, 2016 , ... The Conference Forum has announced ... days and will take place on February 1-3, 2017 at the Roosevelt Hotel in ... (NCI), the program provides a unique 360-degree approach, which addresses the most up-to-date information ...
(Date:12/2/2016)... ... 2016 , ... Robots will storm the Prudential Center in Boston, MA during ... which is held on the United Nations International Day of Persons with Disabilities, will ... workplace. Suitable Technologies is partnering with NTI to showcase how technology can help individuals ...
(Date:11/30/2016)... ... November 30, 2016 , ... BEI Kimco, a brand of ... flexure design that ensures high alignment accuracy by preventing unwanted shaft rotation. The ... where extreme precision is required, such as in medical equipment, laboratory instrumentation, clean ...
Breaking Biology Technology: