An Evening Grosbeak.
Updated: Monday, 12 Nov 2012, 12:09 PM EST
Published : Monday, 12 Nov 2012, 12:09 PM EST
(WTNH) -- The finches are upon us in good numbers and there is an all-out invasion underway from Canada, the likes of which Connecticut hasn't seen in years.
Many finches and some other species of birds are what is known as irruptive migrants, that is to say, they are irregular in their movements.
Some years they stay deep within the boreal and sub-boreal wilds of Canada and in other years they can move as far south as the southeast states.
The focus is on the East, because some of these species are widespread residents in the western U.S. and can even be found breeding in the Southwest states.
Their movements are entirely related to food. If their preferred food is abundant, they will remain to the north, if it is scarce, they will move south and/or east in search of better foraging grounds, including your feeders.
Keep those feeders full this year and your may experience your own finch invasion.