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QL1-991
Zoology
5
Animal husbandry
1
Bulgaria
1
Common swift
1
Domestic animals
1
Falconry
1
Great Bustard
1
Holocene
1
Holocene fauna
1
Late Antiquity
1
Medieval hunting birds
1
Peregrine falcon
1
Subfossil
1
Subfossil birds
1
Wisent
1
autumn migration
1
avian phenology
1
bird range extension
1
birds
1
ihtimanska sredna gora mts
1
swifts in Bulgaria
1
urban avifauna
1
white-tailed eagle
1
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