The nests of swifts are put together and attached to surfaces with saliva.
"All members of the Apodinae except the needletails (Hirundapus spp.) use saliva in nest building…" (Fowler and Miller 2003:239)
Learn more about this functional adaptation.
- Fowler, ME; Miller, RE. 2003. Zoo and Wild Animal Medicine. Philadelphia: W.B. Saunders Co.
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