Related topics: mathematical model

Cutting Bergmann's Rule down to size

(Phys.org)—Matan Shelomi, a doctoral candidate in entomology at the University of California, Davis, is cutting Bergmann's Rule down to size.

Big-mouthed babies drove the evolution of giant island snakes

Some populations of tiger snakes stranded for thousands of years on tiny islands surrounding Australia have evolved to be giants, growing to nearly twice the size of their mainland cousins. Now, new research in The American ...

Desperate fishwives

Breeding is on their minds as the mating season draws to an end. Guys drop dead by the hour, making goby girls go all out in their hunt for a mate to father their offspring.

Parasite arms race spurs color change in bird eggs

The eggs laid by two African bird species have evolved different color patterns over a period of just 40 years, according to new research published in The American Naturalist. The quick change appears to be driven by an unwanted ...

Huge hamsters and pint-sized porcupines thrive on islands

From miniature elephants to monster mice, and even Hobbit-sized humans, size changes in island animals are well-known to science. Biologists have long believed that large animals evolving on islands tend to get smaller, while ...

Invasive plant protects Australian lizards from invasive toad

An invasive plant may have saved an iconic Australian lizard species from death at the hands of toxic cane toads, according to research published in the March issue of The American Naturalist. It's an interesting case of ...

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