Where Do Birds Feed When Feeder is Empty
If you've never set up a bird feeder before, you may be worried that birds will not find it right away.
On the other hand, if you already have a bird feeder set up, your question often changes. How did they come so fast? How do the birds know I filled the feeder?
Birds find newly filled feeders using their excellent eyesight and listening to other birds fighting excitedly over food. They are constantly searching for food sources and investigate new objects in their territory. Once they find a feeder with seed, they keep going back to see if it is filled again.
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Image by Veronica Andrews from Pixabay. |
Can wild birds smell bird seeds?
Experiments have revealed that most birds have a poor sense of smell. Their sense of smell is on par with humans or less sensitive. Both humans and birds have 3 conchae, the organs responsible for the sense of smell.
There are a few birds that do have a good sense of smell.
Turkey Vultures can locate carrion by smell.
Petrels can smell chemicals given off by plankton to find food in the oceans. These birds also use the sense of smell to find their correct nest burrows in colonies dug into sod on offshore islands.
Kiwi birds in New Zealand use smell to locate prey underground as they probe with their bills.
Parrots are said to have a good sense of smell.
But these are the exceptions.
Birds do not use smell to locate feeders or to tell if seeds or other food is present.
Then how do birds find bird feeders?
Birds primarily use vision, their sense of sight, to locate food.
Birds may see seeds that they recognize as food in your feeder. But to do so, they have to be pretty close.
Some birds of prey (hawks, eagles, falcons) have excellent visual acuity--they can detect prey very well--even from a long distance away.
Many birds, including hummingbirds and robins, at least, can see into the ultraviolet. That allows them to see different "colors" in what appears to human eyes to be a single color. But that doesn't mean they can see bird seed any farther away than you or I can.
So to attract birds to a new feeder, you may spread some seed on the ground. They have a better chance of spotting the seed, then.
Birds recognize bird feeders the same way you do--through experience. A bird feeder is a small object shaped like a bowl or box next to the big square structure (house) where people live. It has bird food in it. Once they learn where to find food, they keep coming back.
Birds are very curious creatures. They explore their small territory on a constant look out for two things. Birds are constantly looking around to escape danger. Birds are constantly looking around to find food.
Birds also keep an eye out on their neighbors. Other birds, whether the same species or not, may alert them to dangers or food sources. If other birds are gathered around a small area, fluttering and hopping, it may be food!
But that's not all. When a group of birds are eating they most always squawk and fight over the food. They make quite a loud noise sometimes when they are eating in such a group. If you listen, you can also hear birds at your feeder.
So hearing is the second way that birds locate bird feeders.
So how do birds know when I put out food?
Seeds come from plants. Seed eating birds must remember where those plants are and visit them regularly.
The same is true for bird feeders. Birds visit bird feeders regularly, perhaps several times during the day. They may not know how the food gets in the feeder. But they keep checking back.
On the other hand, birds may see you put food in the feeder. Or they may have learned that after people go near the feeder, there may be a new supply of food. Remember that birds keep an eye out for danger? Humans can be dangerous. So if you are out in your yard, the birds are keeping an eye on you!
So that's it , then. Birds may see you fill the feeders. Or, they check back at feeders several times each day and find new food. Once a bird or two visits a newly-filled feeder other birds see and hear and follow them.
It can seem like birds have a special sense to just "know" when you have refilled your feeder. But they just watch, listen, and visit regularly.
Wagner's Songbird Supreme bird seed is my favorite for attracting the most kind of birds to my feeder. If it isn't available, a close second is Wagner's Greatest Variety. These are Amazon affiliate links that help support this blog. Thank you.
More tips on feeding birds
5 Simple ways to attract more birds to your feeder
How often should you refill an empty bird feeder?
The two types of bird seed that attract the most birds!
7 kinds of bird feeders and the birds that like them
Confused as to how to set up your bird feeder? Let me help!
Is it ok to throw bird seed on the ground?
Source: https://www.whatbirdsareinmybackyard.com/2020/08/how-do-birds-know-when-you-fill-feeder.html
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