. Site: Drummond Island, Strangford Lough
 Event number: 19861008/21. Site: Drummond Island, Strangford Lough. 1986-10-08. Photograph © Trevor Telfer. (10/38) 
 Trevor Telfer (2026). Photograph of Site: Drummond Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=nils_0593.jpg. Accessed on 2026-11-04