What frequency will scare away bats?

What does it mean if an owl flies in front of your car then stairs at you then flies away? Do pelicans live in the Pacific Northwest? What are taller flames - hink pinks? How do you Collect bob white quail eggs in wild? Do unhatched goose eggs have a light natural bad odor or do they only smell when they are dead? Is a dodo bird a dinosaur? Do penguins live in India? When temperatures are 100 degrees out how do the hummingbird babies survive? How much does a lyrebird weigh? Can the king fisher fly backwards? What kind bird did miners take underground with them? Can you tell the difference between a male white duck and the female? Are penguins birds? How long does it take a duck to migrate? What does atticus say about mocking birds and what does he mean? What type of penguin live in antarctica? When was The silver Stars written also The 3 drovers and Carol of the birds? Does a cardinal bird live in the Great Smoky Mountains National Park? What is the diameter and weight of an albatross egg? What is a ostrich niche?