We're fortunate in that this bird house is hanging on the fence just outside one of our windows so we can and have been watching these little dudes work and it's intriguing. One of the things that amazes me is their intelligence. For example, we watched as they returned with sticks for their nest, however, these sticks are carried in their beaks as you'd image - like a dog carrying a large stick. The problem with this is that the birds are unable to enter the bird house while carrying these sticks - most simply do not fit through the hole. Think of the dog again with that large stick in his mouth and now picture him trying to walk through a doorway, BAM stopped in his tracks and unable to. The wrens would try several times to enter and like the dog couldn't. However, they're smart enough to know that the sticks need to be turned and they would turn them and enter.
Wren Fun Fact #1:
House Wrens are feisty and pugnacious animals considering their tiny size. They are known to occasionally destroy the eggs of other birds nesting in their territory by breaking the eggshell. They are also known to fill up other birds' nests within its territory with sticks to make them unusable.
I've noticed another of our bird houses, that's not too far away from where these wrens now call home, has signs of someone moving it - a lot of sticks that look to be randomly placed inside with no order to them. Perhaps, it's the wrens working at making this house unusable!?!? Hmm, I will have to keep a closer eye on this development.
Wren Fun Fact #2:
This bird's rich bubbly song is commonly heard during the nesting season but rarely afterwards.
Wren Fun Fact #3:
These birds forage actively in vegetation and are among the most prolific of all our songbirds, and about 98 percent of their food is injurious insects: grass hoppers, crickets, beetles, bugs, caterpillars and weevils.
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