What year did miners start using canaries?

What mean by who told the birds to build its nest and told the trees to take a rest? Belinda is interested in dog behavior She has formed a hypothesis that dogs are able to hear higher-frequency sounds than humans What should Belinda do next? What does purculair mean? What do robins eggs look like? Do ducks eat sedge? Why do parrots bury their head in their feathers? What should you do if you eat lychee seeds? Where do black swans with red beaks come from? Do swallows live with bats? What is the popping crackling sound in your throat when lying down? In an ecosystem a large number of species are dependent on one particular species of bird? What does a candle fly eat? What color is snoopy? Does the female pigeon look after the baby pigeon or does the male pigeon? Why are rosalind and celia called Juno swans in as you like it? Do dead people have goose bumps? What bird has a black and white body and a thick red beak and is about 2.5 foot tall? Which is likely to have a mass close to 3 kilograms grown elephant peach five-year-old cat small feather? Why do pelicans have a long wingspan? Where do humboldt penguins live?