Birds have a number of successful adaptations, including migration, memory, and problem-solving. migration allows birds to have the resources they need year-round. they can use their excellent memories to find food stashes and nesting spots. some birds can even make their own tools to get food. which sentence best concludes the paragraph? birds have a better memory than humans. birds deserve more respect than they usually get. birds migrate to find food. birds have developed effective skills to survive.