I didn't get out as much as I would have liked in August. First, a knee injury prevented me from walking more than a few hundred metres for the first couple of weeks then I caught a lung infection that had me coughing my lungs up every time I tried to move. Not a lot of fun!
If you are a regular visitor to this website you may remember that I spent the latter part of July keeping an eye on a pair of Great Crested Grebes that had an unusually large clutch of 9 eggs. The good news is that the first chick hatched on 3rd August, but unfortunately, despite continuing to incubate for a further two weeks through a spell of cold and wet weather the nest was eventually abandoned without any further chicks hatching. I suspect the water level rose a bit too much due to the high volume of rain and prevented the adults from being able to keep the eggs warm enough to allow their proper development.
An unusual behaviour found in most grebes, but particularly in Great Crested Grebes, is the habitual ingestion of feathers. The reason for this behaviour is unproven, but it has been postulated that feathers aid pellet formation for the ejection of parasites and indigestible material, such as fish bones, or to act as a kind of strainer to help prevent bones leaving the stomach before they have been properly digested or ejected from the mouth in a pellet.
Feeding on feathers is particularly marked during the first couple of weeks after hatching. During the time I was watching the grebe family during the first couple of days after hatching about 90% of the items presented to the chick were contour feathers. These were usually wetted before being given to the chick but were also presented dry.
While watching the grebes, a female Brown Hawker was busy laying eggs in the water on partially submerged tree roots on the bank beside me.
A couple of Garganey turned up at Attenborough in the middle of the month and hung around for a couple of weeks before continuing their migration south to their wintering grounds in Africa.
The patterning on the upperwing of the bird on the left identifies it as an immature male. The one on the right is an adult female.
Towards the end of the month there was some very late breeding activity among the Little Grebes on the northern ponds at Attenborough. This pair already had two eggs in the nest and were obviously wanting more...
By the end of the week they had four eggs.
There was a decent selection of shorebirds passing through the reserve all month but most of these were too distant for photography. The exceptions were a few Black-tailed Godwits who could often be seen feeding in the shallow waters of the wet marsh in the late afternoon.
A small flock of Tree Sparrows were regularly seen near the visitor centre gorging themselves on this year's abundant crop of blackberries.
River Trent, Nottinghamshire |
Canary-shouldered Thorn (Ennomos alniaria) |
Throughout the month the number and diversity of moths attracted to the moth trap in my garden was very poor in comparison to previous years and most nights yielded fewer than 20 species. The beautiful Canary-shouldered Thorn was the most common trapped in August.
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