How does cactus wren help cacti?

Why dont all birds have the same type of beak and feet? How many shells must shotguns be plugged or limited to hold when hunting migratory game bird? Which wood joint is named after part of birds anatomy? What does a nz pigeon eat? What do Whooper swan eat in the winter? What plants do bats squirrels and woodpeckers help with seed dispersal? What bird lays an egg the size of a small football? How tall and heavy can a vulture get? How often does the peregrine falcon eat? Are baby magpies blind? How fast can a eagles wings go? What are the passenger pigeons predators? What is another word for a drupe? Why has the California condor become an endangered species? What causes a lovebird to have stroke like symptoms? How does a bald eagle breath? Is an emu a carnivore a herbivore or an omnivore? What type skeleton does a pigeon have? What is a large marine duck? How many eggs does a Campbell duck produce in a year?