Topic
Nature sounds
151
Places
146
Ambient sounds
142
Birds
102
White-crowned Sparrow
26
American Tree Sparrow
23
Sterna paradisaea
20
Arctic regions -- Discovery and exploration -- Interviews
18
Spizella arborea
18
Smith's Longspur
17
Lapland Longspur
16
Savannah Sparrow
16
Antarctica -- Discovery and exploration -- Interviews
15
Zonotrichia leucophrys
14
arctic tern
13
Military history
12
International Geophysical Year (IGY) (1957-1958)
11
Passerculus sandwichensis
11
Carduelis hornemanni
10
Hoary Redpoll
10
Arctic exploration -- Interviews
9
Bluethroat
9
Calcarius lapponicus
8
Lagopus lagopus
8
Lesser Yellowlegs
8
Polar regions -- Discovery and exploration -- Interviews
8
Willow Ptarmigan
8
American Robin
7
Arctic Tern
7
Common Redpoll
7
Phalaropus lobatus
7
Red-necked Phalarope
7
Turdus migratorius
7
Canada--Canadian Armed Forces--Organization
6
Canada. Canadian Armed Forces
6
Cold War
6
Pectoral Sandpiper
6
Sandhill Crane
6
Stilt Sandpiper
6
Drum-dancing
5
Glaucous Gull
5
Grus canadensis
5
Inugguit
5
Mammals
5
North-west greenland
5
Oral Literature
5
Pacific Loon
5
Rock Ptarmigan
5
Semipalmated Sandpiper
5
environmental humanities
5
more ...