Breeding, trade and invasion
Eight stops on how people reshaped animals and moved them around the world. About 45 minutes.
- Dogs: The breed and the kennel clubMost breeds are under 150 years old. Is a breed a kind of animal or a kind of rule? Take a side.
- Cats: Cats on shipsTrace the cat's route out of the Near East. What carried it, and why?
- Pet birds: Parrots and the wild-bird tradeThe 1992 law stopped most wild-bird imports. Who gained and who lost?
- Reptiles: Pets that escaped into FloridaPythons cut Everglades mammals sharply. Who should pay for the damage a released pet causes?
- Aquarium fish: Reef fish and the ocean tradeHow could a buyer tell whether a reef fish was caught with cyanide? Design a label.
- Bred, sold, kept, adopted, killed: Held, adopted, and killedUse the shelter numbers: what share of animals entering shelters were adopted in 2025? Show the arithmetic.
- Murderous cats: Billions of birdsThe estimate runs from 1.3 to 4.0 billion birds. Why is the range so wide? What would narrow it?
- Markets and delicacies: What a wet market isMost wet markets sell no wild animals. Why did the word become a headline in 2020?
The Domesticated Animal: Two sources disagreePreviewThe Domesticated Animal: Now, todayPreviewEcosystems: A Web from the WallPreviewEcosystems: Crowded Cups and LimitsPreviewHeredity and Evolution: How Wide the VariationPreviewFur, Fish and Frontier: Weigh itPreviewNumbers, Time and Food: Money and Prices at the MarketPreview
The Call of the Wild (Jack London, 1903) · White Fang (Jack London, 1906) · The Jungle Book (Rudyard Kipling, 1894) · Where the Red Fern Grows (Wilson Rawls, 1961), at your library