Wolf Island

I’m now extremely jealous of the amazing weather everyone else in the UK is enjoying; Wimbledon looks more like America than London! We’ve still been busy with plenty of events going on and I’m now busy most days at Mull Eagle Watch (read about our eaglet here). It’s a great time of year to appreciate the smaller wildlife, including butterflies and wildflowers. Jan and I led a guided walk for a group of American visitors on the Isle of Ulva on Sunday 21st June and it actually turned out to be a nice day!

Marsh management

Ulva is a great place for wildlife, with lots of deciduous woodland remnants and areas of land managed particularly for rare butterfly species. The marsh fritillary butterfly is one of Europe’s rarest butterflies and relies upon devils-bit scabious as the food plant for its caterpillars. Grazing and cutting of fields at the wrong time can be catastrophic for these butterflies and so support and good management are important. The island is also known as wolf island, giving another indication of the part fauna here, it is thought that this name comes from the Viking/Norse people who took Ulva as their home for a time. Obviously we’ve lost our large mammalian predators like the wolf and the lynx but thankfully we do at least have the white-tailed and golden eagles.

Luscious lichens

We enjoyed lots of wildflowers and trees in bloom – particularly the hawthorn. We spotted lousewort, foxgloves, birds-foot trefoil, bluebells, flag iris, tormentil, bugle, water avens, common bistort and more. We also enjoyed the amazing diversity of lichens covering the trees and walls including dogtooth lichen and beard lichen; this gives us an indication of ancient woodland and demonstrates the cleanliness of our air.

Mull lichen diversity

Loch Torr guided walk

On Wednesday 1st I ran a guided walk in the Quinish Forest surrounding Loch Torr. We had a brilliant afternoon in the warm weather with a huge array of wildlife to be seen. We were also joined by Ewan Miles of Inspire Wild, great to have him and his wealth of knowledge for the afternoon. Ewan spotted some great species for us including some common lizards, one of reptile species that were enjoying the heat of the day.

Common lizard (Ewan Miles)

Insect life

Much of the area is commercial plantation with Sitka spruce and larch trees making up the bulk but despite this the area is brilliant for insect life. The rides along the forest tracks are wide and sunny, with large open areas full of heather and cotton grass. We enjoyed a multitude of butterflies, damselflies and dragonflies throughout the afternoon making for a very slow walking pace! We recorded species like dark-green fritillary, small heath, speckled wood and green-veined white butterflies. Dragonflies are on the wing now and we watched golden-ringed and four spotted chasers hawking along the waterways. Damselflies were in abundance; we spotted large red damselflies and the stunning beautiful demoiselle. Day flying moths were also visible, speckled yellow was the most notable. I also noted a very odd looking parasitic wasp species, which I think is called the black slip wasp, very mean looking black and red individual!

Beautiful damoiselle (Ewan Miles)

Northern eggar moth (Ewan Miles)

Coming up 

I’m already getting lots of bookings for the butterfly/wildflower morning at Treshnish (Wed 15th July), so if you’re interested it would be great  if you could let me know on 07540792650. Straight after lunch on the same day you join myself and Dr Conor Ryan from HWDT to do some sea watching to look for marine mammals and seabirds, so you could spend the whole day with the ranger service!

Speckled wood butterfly on water avens flower (Ewan Miles)