Podargidae, Australasian, Caprimulgidae, cosmopolitan.
For instance, Sundevall in 1873 (Tentamen, p. 86) placed Glareola among the Caprimulgidae, a position which osteology shows cannot be maintained for a moment.
Its systematic position, however, can scarcely be considered settled, for though on the whole its predominating alliance may be with the Caprimulgidae, nearly as much affinity may be traced to the Strigidae, while it possesses some characters in which it differs from both (Proc. Zool.
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