Behavioral Ecology Blog

Behavioral Ecology, Evolution, Mammalogy, Molecular Biology

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Sexual Selection isn’t just for males

December 29th, 2007 · 3 Comments

For the practicing scientists reading this blog (are there any??), you know that there are certain people whose work it pays to take note of. For behavioral ecologists (and evolutionary biologists in general), Tim Clutton Brock (TCB) is one such researcher. His work as spanned multiple decades, and has ranged from hard-core field oriented studies [...]

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Tags: Behavioral Ecology · biology · evolution

My what long sperm you have

December 23rd, 2007 · 2 Comments

There is a cool paper in Evolution this month that demonstrates the power of natural selection. By Kleven, et. al. “Intraspecific Variation in Sperm Length is Negatively Related to Sperm Competition in Passerine Birds“
Abstract:

Spermatozoa are among the most diversified cells in the animal kingdom, but the underlying evolutionary forces affecting intraspecific variation in sperm morphology [...]

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Tags: Behavioral Ecology · biology · birds · evolution · molecular biology