Tilapias use urine to attract females

How many of us have seen, much to its owner consternation, a misguided pet urinating at the corner of a room marking its territory to repel rivals and attract females? Well, apparently fish do the same.

Even low-level PCBs change bird songs

It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers.

The secret of male beauty (in turkeys)

The essence of male beauty is down to the way males use their genes rather than what genes they have, according to a new study into the sexual attractiveness of turkeys.

Superdaddy Pyros keeps Pyrenees bear numbers up

The number of bears roaming the Pyrenees remained stable at a minimum of 22 last year, thanks largely to the continued virility of Pyros, the undisputed daddy of the colony.

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