Saturday 20 October 2012

OCTOBER PROVIDING LAST CHANCE TO BREED?

As the wet and cool summer gave way for a wet September, most people could be forgiven for thinking October would be cold and even wetter.

So far it's turned wet, but the cold weather hasn’t really materialised, the odd exception apart. In fact the weather is due to become a little milder in the next few days.

This has been backed up by regular sightings of swallows and house martins across the UK, despite the fact they should have been half way to Africa now.

I last spotted a large number of swallows at the end of September, but others have reportedly seen some in the last week, while there’s been one tweeter (excuse the pun) posting about house martins still nesting.

Wildlife has the knack of adapting to weather conditions and changing things like breeding habits, migration and even food sources.

It’s difficult to tell what the long or mid-term results will be of the wet summer we’ve had, but one thing could be our summer migrants staying later, risking their lives, to increase the breeding population for next year.

You could even say (without any biological evidence) that old birds are potentially sacrificing themselves to give their youngsters the chance to keep populations of their species going.

Of course you could also say that they could be first time parents or know that leaving it late will still give enough chances to raise a successful brood as insects hampered by the wet summer continue breeding in to autumn.

I was checking a couple of my nestboxes this week, ones that haven’t been used for nesting, when I came across a dead tree sparrow in one. I couldn’t see any reasons why it had died, other than old age or starvation.

The starvation one seems unlikely as I supply the birds visiting my garden with a range of seeds and nuts, so can only presume it died of old age or a genetic condition. A sad sight, but just part of nature.

The blue and great tits are still enjoying the sunflower seeds, so I’m not clearing up the plants until all seeds are gone.

My garden flowers are still producing a colourful backdrop, and there seems to be plenty of takers to the pollen on offer. I wonder if they, like the swallows and house martins, are relying on late breeding insects to prolong the breeding season and make up for a very poor spring and summer?

Winter and next year will help provide some of the answers.

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