Bird migration

?Chapter Three Vocabulary? Alexus Ellis Remittance ? Money migrants send back to family and friends in their home countries, often in cash, forming an important part of the economy in many poorer countries. Reverse Remittances ? Money sent to help immigrants struggling in rich countries (such as the U.S.) by friends and family in less-developed countries (such as Mexico). Cyclic Movement ? Movement, for example ? nomadic migration ? that has a closed route and is repeated annually or seasonally. Periodic Movement ? Movement, for example ? college attendance or military service ? that involves temporary, recurrent relocation. Migration ? A change in residence intended to be permanent. Activity Spaces ? The space within which daily activity occurs.