From Seaforth and Litherland station, we crossed Seaforth Road by the pedestrian lights, then floated safely over the heavy dock traffic on Princess Way via the tall footbridge. The inconspicuous entrance to the park is under the railway bridge and then left. Although most of Rimrose Valley is a wide open sunlit grassland, the southernmost tip is a wooded triangle called Brookvale Nature Reserve, growing like a wilderness. It is quite damp because of the shade, and also because the Rimrose Brook flows through it. Thus it is usually muddy, but after last week’s record-breaking heatwave it finally became firm underfoot.

The trees are mostly Willow, Alder, Sycamore, Poplar, Elder and Hazel, with occasional Privet in bloom. The path verges were thick with Brambles, Nettles, Bindweed, and also the damp-loving Hemlock Water Dropwort and Himalayan Balsam. We even spotted a patch of Japanese Knotweed. The autumnal fruits and seeds are developing fast, with green Rose hips, some nuts on the Hazels (which are rarely seen on Merseyside), Guelder Rose berries and masses of green blackberries. The leaf-eaters are also thriving. Many Alder leaves were well-chewed by the larvae of the Alder beetles. The adults are quite smart-looking, shiny blue-black little beasties, but the larvae, also black and shiny, look quite “icky”, as if they may be slimy or sticky.

Two Great Spotted Woodpeckers suddenly flew out of the dense woodland, calling to each other, and were back in hiding a moment later. There were also several young Robins and Blackbirds on the paths and this young Robin up a Willow tree, just getting its red breast feathers in.

The Poplar leaves were also under attack, covered in yellow and brown marks, holes and lumps. What’s eating them? It could be Poplar Gall Mites, Phyllocoptes populi, said to infest Aspen and very occasionally other members of the Poplar family. The blisters on the tops of the leaves ought to have hairy openings on the underside where the mites live, but I saw nothing underneath. [Added later – it’s a fungus not a mite. Taphrina populina. Thanks, Steve.)

An overhanging branch had plain leaves and green immature berries along the twigs. Could it be the long-elusive Alder Buckthorn? Yes it was, as confirmed by the Plantlife app. It’s one of our rarer and most inconspicuous native British trees, food plant of the Brimstone butterfly and hard to find and identify.

As we turned at the Brook Vale corner, we spotted a row of jam pot lids on the sloping tops of fence posts. Each contained the crusty remains of bird food, although one had some peas, looking fresh out of the pod. Is the person who feeds the birds also hoping for small mammals?

There is a stagnant cul-de-sac of the Rimrose Brook along here, rather green and scummy. As we passed, the birdsong app suddenly identified the sound of a Kingfisher, although we hadn’t heard anything ourselves. (What do they sound like anyway?) They have been found here in the past, so we stood there for a while, noting all the possible perches, but nothing came along. We always hope!

There were Speckled Wood butterflies under the trees, and after we got out onto the open grassland we saw lots of whites and very many speedy, dark brown ones which were probably Meadow Browns. Also a possible Small Skipper, but it was very fast-moving in the hot sunshine. A Comma perched in the nettles while we lunched and later I saw a Small White near the Tesco supermarket in Litherland.


After lunch we walked northwards up the central path of Rimrose Valley. Birdsong from the trees on the left was identified as another invisible Blackcap. A Whitethroat dived into a bramble patch and disappeared. Occasional little brown birds came up from the long grass, which may have been Linnets, and a Swift soared high over us. There were all sorts of flowers, including Weld, patches of Field Bindweed (the one with the small trumpets about an inch across). A blue patch was a colony of Cow Vetch, and the magnificent seed heads of Goat’s Beard were scattered about.

As we joined the canal towpath to walk southwards, a party of young kayakers came past.

In places, the water on both sides of the canal was covered with Fringed Water Lily.

Two Jays flew between trees on the other side of the canal. A dead tree with bare branches appeared to be hosting a young Long-tailed Tit and a young Goldfinch, but fledglings are probably in all of the trees, it’s just that we can’t see them for the foliage. Unusually, there were no Canada Geese to be seen, and very few Mallards, Moorhens and Coots. Are they all hiding away and moulting? A few of the Ragwort plants had the ravaging caterpillars of the Cinnabar Moth on them. We haven’t seen so many for quite a few years.

A white Umbellifer bore an insect that looked at first glance like a honeybee, with bright yellow full pollen bags on her hind legs. Alan’s app suggested a Buffish Mining Bee, Andrena nigroaenea. It is reassuringly common but supposed to be more strikingly furry orange. Since it has probably been working since April we might allow it to be a bit worn. And the bright yellow pollen bags? The Buffish Mining Bee is said to have ginger tufts on its legs which collect pollen, so that could match.

An Emperor dragonfly was on patrol, surprisingly near to roads and traffic, and in sight of the Church Road bridge near the Red Lion pub. Around the same area we came across a little cluster of orchids, right on the edge of the canal bank. Two were purple, and the taller one was pale mauve. There were no spots on the leaves. (Added later – this is a Southern Marsh orchid – thanks again, Steve.) I gave up trying to identify orchids long ago when I learned they could hybridise, and I just accept that they are lovely.

Public transport details: Train from Central towards Southport at 10.02, arriving Seaforth and Litherland station at 10.17. Arrived back at Church Road, Litherland at 2.30, where most of us planned to get the 53 bus back to Liverpool.
Next week we plan to go to New Ferry Butterfly Park. Meet at Central Station at 10 am.
Anyone is welcome to come out with the Sunday Group. It is not strictly part of the MNA, although it has several overlapping members. We go out by public transport to local parks, woods and nature reserves all over Merseyside, and occasionally further afield. We are mostly pensioners, so the day is free on our bus passes, and we enjoy fresh air, a laugh and a joke, a slow amble in pleasant surroundings and sometimes we even look at the wildlife!
If you want to join a Sunday Group walk, pack lunch, a flask, waterproofs, binoculars if you have them, a waterproof pad to sit on if we have to have lunch on the grass or a wet bench (A garden kneeler? A newspaper in a plastic bag?), and wear stout shoes or walking boots. We are usually back in Liverpool City Centre by 3pm at the latest.
If you are interested in the wildlife of the north-west of England and would like to join the walks and coach trips run by the Merseyside Naturalists’ Association, see the main MNA website www.mnapage.info for details of our programme and how to join us.



















































































































