Sunday 9 July 2017

Marsworth 9th July 2017 CES#7

Very warm and calm, cloudy to start.
Nets up: 05:15 - 11:30

Unexpectedly on my own at the start it took a bit longer than usual to get all the nets up! Luckily I had arrived early. First bird extracted was an adult spotted flycatcher, the first of the year, then came a 3J willow warbler and I assumed migration had started early and they were just passing through...but then an adult willow warbler with BP4 with 2 more young juvs so possibly they had nested close by. Later three more very young spotted flycatchers were caught in net 2,  the adults scolding and flying around the net. The young had only just fledged so they were local breeding birds.

Juvenile spotted flycatcher
In calm, cloudy conditions I was kept busy with a constant supply of juvenile chiffchaff, blackcaps, reed warblers and wrens.
I was relieved when Katy arrived at 8:30am (after working a nightshift) and we continued to catch lots of young warblers. We finished with 112 birds, well above the average of 76 for CES 7, mainly due to the high number of juvenile chiffs (26). This has now brought our total for the year to date above the average. A total of 9 willow warblers probably included some moving birds. We caught our first lesser whitethroats, an adult and a juvenile.


Species
Total
New Bird
Retrap
Wren
15
11
4
Willow Warbler
9
9

Treecreeper
2
2

Spotted Flycatcher
4
4

Sedge Warbler
8
6
2
Robin
2
2

Reed Warbler
15
14
1
Reed Bunting
3
3

Long-tailed Tit
1
1

Lesser Whitethroat
2
2

Great Tit
4
1
3
Goldcrest
1
1

Dunnock
1

1
Chiffchaff
28
26
2
Cetti's Warbler
1
1

Bullfinch
2
2

Blackcap
14
14

Total
112
99
13

Not much time for photos today but I was bitten by an interesting fly and Great Yellowcress was growing in the reed bed ride.
Double-lobed deer fly Chrysops relictus

Deraeocoris ruber

Great yellowcress Rorippa amphibia

Great yellowcress Rorippa amphibia

Lynne

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