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
Sesame Street Presents: Follow That Bird convinces her that he can be, and "is", happy there on Sesame Street where that it does not make any difference that his family consists of humans, monsters, cows, Grouches, Honkers, and the other varieties of eclectic species there. What matters is that they are family. After considering what she has heard and realizing how far his friends went to try to bring him back, Miss Finch declares that Sesame Street is his home and leaves satisfied. Big Bird is then reunited with Snuffy. Gordon, Olivia, Linda, and Grover bring the Volkswagen (which was mostly eaten by Cookie Monster) to