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- Animals
Why do two-sex geckos triumph?
Just the smell of an invasive species of gecko suppresses egg laying and subdues aggression in a resident.
- Animals
Maybe what Polly wants is a new toy
Changing the toys in a parrot's cage may ease the bird's tendency to fear new things.
- Animals
Some female birds prefer losers
When a female Japanese quail watches two males clash, she tends to prefer the loser.
- Animals
The secret appetite of cleaner wrasses
The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers.
