References Chestnut-collared swift




chantler, phil & driessens, gerald (2000): swifts : guide swifts , treeswifts of world. pica press, mountfield, east sussex. isbn 1-873403-83-6
ffrench, richard; o neill, john patton & eckelberry, don r. (1991): guide birds of trinidad , tobago (2nd edition). comstock publishing, ithaca, n.y.. isbn 0-8014-9792-2
hilty, steven l. (2003): birds of venezuela. christopher helm, london. isbn 0-7136-6418-5






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