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Fletcher Wildlife Garden | profile | all galleries >> Previous FWG blogs >> 2008 Blogs >> FWG blog, September 2008 | tree view | thumbnails | slideshow |
This blog is a way of sharing some of the things we see and are working on at the Fletcher Wildlife Garden (FWG). Contributions of photos taken at the FWG and information about them are welcome. Please send them to fletcher@ofnc. Be sure to provide the full name of the photographer and permission to use the photo on our blog.
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I always consider the little island in the Arboretum, just below FWG, to be an extension in a way of the garden, when it comes to bird life anyway. This is because you can often see birds flying from FWG to the island and back. So with that in mind, here is a brief report of all the birds that were on the island during a 20 to 30 minute period this morning.
A large flock of cedar waxwings was feeding greedily on the black elderberry fruit. They were mostly juveniles, as you can see by the streaked plumage, but there were a few adults mixed in. Reminded me of a school outing with a bunch of happy-to-be-away-from-school adolescents and a few harried adults. There was quite a cacophony from these rambunctious "kids."
Just across from the island, a red squirrel was having a temper tantrum while collecting alder cones (I think these are manchurian alders). The waxwings kept flying over to "his" tree!
I stopped in at the BYG and saw a mourning cloak butterfly, white-breasted nuthatch, 3 or 4 male cardinals and what seemed like an army of chipmunks :-) as well as a darner sp. Isabelle told me that all morning a brown thrasher was around the site. I'm sorry I missed that. And Carla told me that two adult tree frogs were also present.
Tortoise beetles fascinate me, and despite how common they are, I rarely see them. Darn! But yesterday I was delighted to stumble across a tiny little golden tortoise beetle. Which was not golden, but red. These little guys get their knickers in such a knot when they feel threatened that they literally turn colour from golden to red! How's that for a quick change act? Sadly the photo is terrible. Not only was this beetle tiny, but moving fast under dark light conditions. Sorry! Although the photo is poor, can you see the transparent margins of the elytra?
Another insect that fascinates me is the buffalo treehopper. Actually, there are many species of buffalo treehoppers, Ceresa sp. This little one is quite golden in colour and you can easily see how the pronotum has a distinctly triangular shape, which is characteristic of the Ceresa treehoppers.
And finally, yet another insect that I always delight in seeing, the little leafcutter bee, Megachile frigida. Notice how she is carrying the pollen on her stomach rather than as is most typical with other bees, on her legs? You will sometimes see these bees with white abdomens, which means that at that moment they are pollen-less!
I hope that you are noting all the shots lately featuring asters? These plants are a really important source of food for so many insects. At the moment they are about the last resource available for pollen and nectar. There are a few goldenrods still blooming, and assorted other flowers, but if you really want to see action, go to a stand of asters and watch. Later on, the seeds will feed many birds, particularly sparrows and finches.
It is clear that summer is winding down. Well, I guess it has wound down now that Fall is "officially" here. Nonetheless, there are still many interesting things to see at the garden.
Looking at birds first: the numbers today were fairly high, but diversity was low. Good numbers of white-throated sparrows are now moving through the area, along with white-crowned sparrows. The
I was paying more attention to insects, however, so may have missed some avian species.
And so - turning to insects, there were lots of bumblebees around, in fact, hundreds and hundreds of them swarming over asters primarily, but also on many other plants. It is a bit like the last hurrah, for sturdy as they and able to withstand a certain amount of cool weather, they will eventually all die off by the time winter arrives, leaving only the young queen to survive the winter. Speaking of queens, there are quite a few very large bumblebees (and wasps) around, these are the big mamas!
There were also dozens and dozens of sweat bees (Halictids), the little green metallic ones we've been seeing all summer. Syrphids are still quite common, although fewer species than previously.
The Eristalis species are fine bee mimics, and when they buzz past at a high speed, all you see is a blur of brown and black stripes accompanied by a loud buzzing. Here are a couple of species from today.
Woolly bear caterpillars (the adults are known as the Isabella tiger moth) are common, but there are other caterpillars out there too. Here is a spotted tussock moth caterpillar.
Both Asian ladybeetles and the little Coleomagilla ladybeetles were present on a variety of vegetation.
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