WITH present knowledge and techniques, a more meaningful application of biochemical data towards classification schemes may be made at the family level and lower 1.

This study provides important findings on the understanding of circannual timing in mammals, for which iodothyronine deiodinases (DIOs) have been suggested to be of critical importance, yet functional ...

TOWARDS the end of the summer of 1955 we received, through the kindness of Dr. J. E. Moore (University of Alberta), a number of golden mantled ground squirrels (Citellus lateralis). These animals had ...

Animals have evolved to live in different environs, with some having developed specialised features to support survival in adverse conditions, whilst others adapt behaviourally. Temperature impacts ...

Heterothermy is considered to be the most effective energy-saving strategy improving survival under natural conditions. Interspecific studies suggest that this strategy is also associated with reduced ...

Ground squirrels occasionally show extreme hyperlipemia. Triglycerides predominate, but high levels of cholesterol and phospholipids also occur. Evidence is presented indicating that the hyperlipemia ...

European ground squirrel (Spermophilus citellus) populations have declined precipitously over the last 70 years. Its protection cannot be ensured solely by protecting its habitat; it is also necessary ...

One of the worms was bred in a lab for 100 generations, after researchers found that the species could reproduce parthenogenetically, or without a male partner. The study published Thursday builds on ...

Presentations of Case Studies from the Roundtable of the Managers of the Diploma holding areas Meeting: Sierra Nevada National Park (Spain): Sierra Nevada, Global Change Observatory - Presentation by ...

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