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
Swim (Feeder EP) Swim (Feeder EP) Swim is a 1996 EP by the British alternative rock band Feeder. It was Feeder's second commercial release, but failed to have much success. Although on release not eligible for the U.K. Album Charts due to its short length of 21 minutes, chart rule changes in the mid 2010s mean that "Swim" can retroactively be defined as an album and thus their debut (although not of full length). The vinyl release played at 45 rpm rather than the more usual 33.3 rpm, contained only six songs and lasted for only 21 minutes and 46 seconds. The EP