These are seen as members of a superspecies which also includes the desert whitethroat. Breeding birds include nuthatch, lesser whitethroat and cuckoo. The desert whitethroat ("Sylvia minula") is a typical warbler. The scrub provides a habitat for breeding blackcap, whitethroat and willow-warbler. The subalpine warbler's song is fast and rattling, and is similar to the lesser whitethroat. An older scientific name for the whitethroat is "Sylvia cinerea". Until recently, it was considered conspecific with the lesser whitethroat as some authorities now reinstate. Species seen&colon; Arctic tern, guillemot, razorbill, puffin, whitethroat, little stint, curlew sandpiper and knot. Some taxonomic authorities lump the Hume's whitethroat and the desert whitethroat into this species. Birds identified at the site include; blackcap, whitethroat, buzzard, kestrel and sparrowhawk. In this superspecies, the lesser whitethroat seems to form the basal European lineage. Hume's whitethroat "Sylvia althaea" is a species of typical warbler. "Whitethroat" was built as a controlled minelayer based on the naval trawler design. As an auxiliary, "Whitethroat" was used a naval research platform and to repair undersea cables.