Renter; Existing cavities. Nesting site: Cavities in rocks. Nesting material: Cells walls and nest plug are made of mud; no pebbles are used as for example in H. anthocopoides. (Le Goff (2005b, personal observation)
Renter; Existing cavities. Nesting site: Cavities in rocks. Nesting material: Cells walls and nest plug are made of mud; no pebbles are used as for example in H. anthocopoides. (Le Goff (2005b, personal observation)
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