Tiibade siruulatus (ka sirulaius) on linnu maksimaalselt välja sirutatud tiibade tippude vaheline vahemaa.
Siruulatust mõõdetakse linnu keha ülapoolelt, s.t kui lind on laua peal selili.
This article uses material from the Wikipedia Eesti article Tiibade siruulatus, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). Sisu on kasutatav litsentsi CC BY-SA 4.0 tingimustel, kui pole öeldud teisiti. Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki Eesti (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.