Smelly birding

Countless, cloud-like swarms of martins and swallows swoop, turn and dive and over dark waters.  The local sparrow hawk glides silently overhead, checking out her chances amongst the dancing flock.  corvids squabble and scuffle over the best perches, while pied and grey wagtails march at ground level, in a seemingly never-ending hunt for insects.  What an idyllic spot for a spot of bird watching...

...at our local sewage works!

prime spot!

Here in Warwick, there are very few sites for quality birding and even fewer with contained, still water to attract wildlife.  So, the water treatment plant on the Stratford Road has become one of the team's regular locations to visit, to attempt to spot potential additions to our list.  It appears we are not the only ones to hold our noses in hope. 

Bird species seen across UK sewage works make for impressive reading over the years - dipper, glossy ibis, breeding green sandpipers and Siberian chiffchaff to name a few.  Beckton Sewage treatment works, East London, has clocked up 148 species including curlew, dunlin and Caspian gull, along with records of grass snakes and bank voles.  Northumbrian Water have planted reed beds at Birtley water treatment plant, attracting bittern, gadwall and jack snipe.  A 'Waste to Warblers' tour of the site was even offered back in 2016.  Swindon, Salford and Bicester have all also turned their sites into mini nature reserves to balance human need with protecting biodiversity.  Brilliant!

So, why do these manmade and rather smelly locations draw so many birds?  Well, the percolating filter beds in sewage treatment works have high macroinvertebrate densities, don't you know... (in other words, the water is full of oxygen and nutrients, so has lots of bugs in it that are big enough to see with the naked eye).  Fly larvae hatches, providing aerial food for birds (and bats, according to other studies) and providing plenty of opportunity for a healthy food chain.  As Tom Stephenson, US birder and author, puts it so concisely,  'Water, heat and fertilizer...what more could you ask for?'

Breakfast for hirundines...? 

So, we will continue to visit our little sewage treatment works; holding our noses, enjoying the regulars, hoping for rarities.  You never know what might turn up...

Lizzy

Green birding in its purest form...

Since Boxing Day, my 'patch' has shrunk from around 2 miles to about 20 metres...and not through choice!

I've been floored, like many of the population, with a nasty bacterial infection and virus that has kept me housebound for the last two weeks.  The Warwick 100 team have totally stepped up, bagging over half of our annual target in the first week of 2023 - with greylag goose being our 50th bird.  A brilliant team effort, it's been great to watch our WhatsApp feed buzzing with everyone's sightings while they are out and about.

I, on the other hand, have been staring absently through my lounge window from under a blanket (think old lady in nursing home).  

I am lucky to have a good garden.  built on three levels on a steep bank, our top level is given over to a little wild woodland area with ferns, trees, shrubs, a tiny wildlife pond and a huge old sycamore right at the back (it sounds way posher than it is).  This brings in a fair bit of wildlife considering we live in the middle of a housing estate in Warwick.  Hanging seed dispensers, ivy left to roam and and ignored apples entice the winter birds to feed.  My absent staring for the last couple of weeks has produced a list of 20 species so far, without stepping foot outside!  None of these species are rare, or even of note really, compared to some of the garden lists I see on social media.  One of my Twitter friends has recently moved to a new house, with views of a mill pond and the potential for some amazing sightings.  Another, relocated to a remote island in Scotland, will have garden list entries I can only dream of!  But, I'm happy with my little urban collection of wildlife to keep me company while I rest up.

So, what about the rules of garden listing?  I keep mine like Patchwork Challenge.  Any sighting of a wild bird counts - whether it lands in my garden, on my neighbours' land, in the sycamore or simply flying over.

The RSPB's infamous Big Garden Birdwatch has more stringent rules, only wanting birds that land to be counted, I guess so the word 'garden' birdwatch is kept true, along with creating an easy process for families and occasional birdwatchers to follow.   The BTO has also been running garden birdwatches since 1995 and have a similar rule.  They state they are 'interested in birds that are using the resources that your garden provides', which seems fair enough, so high flyovers are not of interest.   They do give an example of a low-flying swift or swallow taking advantage of insects within gardens, however, so these should be counted, providing valuable information for research.  

However we decide to run our own lists, it is amazing what taking the time to watch one tiny area can produce (even if it isn't through choice).  I've learned that maybe, when I do finally end up in that nursing home, I can still keep a little birdwatching list!

Jenny wren

GSW in the sycamore

  

grumpy greenfinch

A wreath I made being put to good use!