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