Bird migration evidence. Seabirds fly low over water but gain altitude when crossing land, and the reverse pattern is seen in landbirds. However most bird migration is in the range of . Bird strike aviation records from the United States show most collisions occur below and almost none above . Bird migration is not limited to birds that can fly. Most species of penguin (Spheniscidae) migrate by swimming. These routes can cover over . Dusky grouse "Dendragapus obscurus" perform altitudinal migration mostly by walking. Emus "Dromaius novaehollandiae" in Australia have been observed to undertake long-distance movements on foot during droughts. While participating
Can You Fly Can You Fly Can You Fly is the second album by singer-songwriter Freedy Johnston. It was released in 1992 on Bar/None Records. "Can You Fly" appeared on "Fast Folk"s year-end list of the ten best albums of 1992, and "The Village Voice"s Robert Christgau later dubbed it "a perfect album". In order to finance the recording of the album, Johnston sold some farmland that he inherited from his grandfather. This decision is mentioned in the opening lines of the first track, "Trying to Tell You I Don't Know". The song "California Thing" appeared on the soundtrack of the film "Heavy",