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Author: teri@teriwesterby.com

Author: teri@teriwesterby.com

Animal Parenting

Male Killer Whales Are Mama’s Boys

Adult male killer whales are the world’s biggest mama’s boys. Literally. Matriarchs strongly protect their adult sons, keep them free from agonistic interactions with other

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Animal Reproduction

Cryptic Female Choice

“Cryptic female choice” is essentially a female’s way of exercising some post-coital power over whose sperm will fertilize her eggs. There are many reasons why

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Animal Parenting

Maternal Behaviour and Recognition

Physiological, social, and environmental elements have influenced the evolution of the immense diversity in maternal behaviour across the mammalian order. There are two general phases

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Animal Nutrition

Optimal Foraging Theory

Optimal foraging theory predicts that when there is intense competition for preferred resources, organisms should increase their diet breadth to include other less optimal items.

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