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Stephen Barlow Profile picture
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8 Jun, 5 tweets, 5 min read
I was making some audio recordings of a male Common Cuckoo on Whixall this morning and noticed some odd vocalizations, which appeared to be coming from the Cuckoo. The gruff sounds you hear at the beginning and throughout, are coming from the Cuckoo.
xeno-canto.org/655226
The context is I had crept in close, to check it was the male Cuckoo making these sounds. I then saw the male Cuckoo being mobbed by a small songbird (likely a Meadow Pipit) but possibly something else (I didn't have a clear view).
Further to the context, about 10 minutes earlier I'd seen a female Cuckoo come in, following the calling male.

Does anyone know what range of vocalizations male Cuckoos make.
Whilst here the male Cuckoo was making these vocalization in response to be attacked by a small bird, I'm not sure if this was behind this vocalization I heard at other locations (was using other vegetation to conceal myself to get close, so often I didn't have a clear view.
@Jannerbirder @drbob5018 @MarkAvery @IoloWilliams2 @_BTO @Natures_Voice @BBCSpringwatch @csdriver @ChrisGPackham @AmiesPhilip @GrrlScientist @sosbirds @ShropsBirder @DaveChapman67 @Citizenbirder @sianmercer

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More from @SteB777

Stephen Barlow Profile picture
9 Jun
1) Again @GretaThunberg offers some of the most insightful commentary on the climate and ecological emergency. No one sees the big picture any clearer than this. What she says seems deceptively simple, but it is entirely accurate.
2) What I wanted to start this mini thread for is there is now a tendency, to tell individuals what they should do to address the climate and ecological crisis, as if this is the way to address the crisis, and why we have not addressed it i.e. the public are responsible.
3) However, as Greta brilliantly expresses in just a few words, it is impossible for anyone to live a truly sustainable lifestyle in a system controlled by governments which impose an unsustainable system on us.
Read 27 tweets
Stephen Barlow Profile picture
28 May
1) The article Greta highlights is a wonderful exploration of one of the big misconceptions when it comes to woodland generation, and that is you have to plant trees to create woodland.
2) In fact, much or most land, which was formerly woodland, will rapidly revert to being woodland if you just leave it alone and stop managing it or over grazing it. There are some exceptions to this, which I will deal with.
3) Tree planting tends to be done from the motivation point of view of modern commercial forestry, as it creates even age stands of woodland of the same tree species, which makes clear felling easy and commercially more profitable.
Read 27 tweets
Stephen Barlow Profile picture
24 May
Let me deal with this separately. I did not say this year was the same as last year. I devoted tweets to explaining the subtleties, rather than crude parameters. I will explain the ecological relevance below.
I do a lot of Odonata recording, often getting the first and last records for species for the whole of the UK. 2020 started off with good numbers of Odonata, especially damselflies. There have been very poor survival rates in recent years because of this weather.
Extremely hot days, followed by days where there is very little to no sun at all, is very bad for Odonata and other sun dependent insects, and their populations rapidly decline.
Read 9 tweets
Stephen Barlow Profile picture
24 May
That isn't what your reference says. It is dated 25 April 2020. Once again, I said April was unusually hot and sunny, followed by a pattern from May onwards of the odd very hot day, followed by a much longer period of dull weather.
I have repeatedly clarified what the weather was actually like. Nothing you have said or linked to has contradicted this. The fact that April was the sunniest month, actually confirms the point I made and doesn't contradict it.
I was making a point about unusual weather patterns persisting. The actual pattern of weather in 2019, 2020 and now 2021 has actually been different. In 2018 it was unusually hot and dry, with day after day of baking hot sunshine.
Read 4 tweets
Stephen Barlow Profile picture
24 May
1) In this mini thread, in responses to my tweet below, I lay out irrefutable proof, that 50 years ago, world leaders were well aware that our economies and societies had to radically change direction to avoid an ecological crisis in the future.
2) In an Orwellian re-invention of history world leaders, politicians and other establishment figures peddle the lie that we have only recently discovered the depth of the climate and ecological emergency, and that is why we have taken no action until now.
en.wikipedia.org/wiki/Orwellian
3) As the UN documents and conferences I link to in that mini-thread make crystal clear, our state of knowledge about the ecological crisis was well enough established 50 years ago, to understand that we had to radically change direction to avert a future crisis.
Read 19 tweets
Stephen Barlow Profile picture
23 May
1) We need a conversation about stuck in weather patterns, and their effect on populations of animals i.e. biodiversity. Currently, the UK has had to endure a pattern of adverse spring weather which has lasted almost 2 months.
science.howstuffworks.com/nature/climate…
2) By a stuck in weather pattern, I mean an unusual pattern of weather for that area and season, which persists over a long period of time, often months. In the UK, such weather patterns are very unusual because the weather has been typically very variable.
3) I know there is a lot of discussion and research about the cause of this, usually attributed to climate change and the jet stream. However, rather than focusing on this, aside from acknowledging it seems a climate related effect, I want to focus on biodiversity impacts.
Read 26 tweets

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