BOHEMIAN WAXWINGS AGAIN.

    Bohemian waxwings are a very common winter bird in this area. (Central Alberta). They appear about the end of November to mid December. They travel in rather large flocks so are very noticeable. The rest of the year they spend in the boreal forest.

    Waxwings are very attractive with the bright red and yellow markings. You can get very close to them when they are feeding on mountain ash berries. When they are resting in the daytime they find a huge tree where as many of them as possible jockey for spaces. They groom and enjoy the sun.

    Last week I wrote about how the waxwings are pursued by merlins. This week I observed the action again. There were many waxwings in the tree in my front yard as they were feeding in my neighbor's mountain ash. I got a few photos and as I was looking for another photo the flock exploded and left. As waxwings do they formed a dense ball and rose . Then I noticed a different bird. You almost think it's a waxwing that didn't here go. But it was the merlin. Again I didn't see him make a kill but I haven't had waxwings all week.

Erin Cameron on Earth Worms

     Erin Cameron gave an excellent talk to the Red Deer River Naturalists on earth worms.


     One of the first surprises she gave us was that we don't have native earth worms in Alberta. Where glaciation occurred , our native earthworms were wiped out. Earthworms that we have now have come to us by various methods. 


    Erin Cameron is studying the effect of earthworms in the Boreal forest. The research is only just beginning. Very few answers have been found. They know that earthworms have only recently moved into the boreal forest. Earthworms have been brought in by man rather than earth worms travelling on their own to the boreal. Roads, industrial activity and fishermen have all brought earth worms into the area. They have made extensive counts along roadways and siesmic lines and find that the earth worms are have not gone very far from the roadway. 

     What's the worry about earth worms in the boreal? Some earth worms influence the leaf mold layer on the surface above the mineral soil. Many plants and insect life do not perform well with that layer gone. Two of the earth worm species live in the mineral soil and come to the surface and take the leaf debris into the mineral soil   thus depleting the leaf mold. Other types of earth worms that function only in the leaf mold disappear. 


    So the big question is how the boreal forest will replace itself because of the earth worms which were not here before.?