Dear Mom

The Gestation Period of Hummingbird Eggs

Since it is quite difficult to locate a hummingbird’s nest and therefore most of us may never see one for ourselves, I thought I would share with you some information about the hummingbird’s eggs and the length of their gestation period.

In most cases, a female hummingbird will lay two eggs. There are sometimes when the female will only lay one egg. Here is a surprising fact about the eggs, each of the two eggs will be laid on two different days, but the eggs will hatch on the same day. That is right, both eggs will hatch on the same day! How is this? The answer is because the female hummingbird will not start incubating the eggs until both of them have been laid.

The incubation period for hummingbird last usually between 16-18 days, but it can last as long as three weeks if the weather at the time is cooler then usual. The female hummingbird tries to maintain the temperature of the nest at about 96 degrees. So in general, the gestation period of hummingbird eggs is between two and three weeks, depending on the circumstances which are happening at the time.

A hummingbird eggs will be white in color and only about the size of a pea or jelly bean.

I hope you have enjoyed discovering a bit about the gestation period of hummingbird eggs. This is the type of information that I know would have fascinated my mom, and I so wish she was still living for me to be able to share it with her as well as all of you who read this blog.

19 replies on “The Gestation Period of Hummingbird Eggs”

I have a nest right outside my apartment in a pine tree. The next is fixed to a small pine cone. I’ve taken pictures using the zoom feature on my digital camera. The pics actually turned out rather well…amazing sight. I hope to see the babies when they hatch. I don’t know how long the nest has been there before I noticed it or how long she’s been incubating the egg or eggs. I can’t see inside the nest, and would not think of disturbing her. It’s just so cool, because I’ve never seen a hummingbird nest or one sitting on her nest, staying so still.

I also have a next outside my window where my sweet kitty loves to watch. The bird and the cat are nose to nose many times. The nest is in a ficus tree. I believe it is a Ana’s Hummer. I live in Newport Beach, CA. It has been a cold and windy June so maybe the gestation will be on the longer side! Very awesome to watch this development of the nest being developed and now hoping to see the babies when they hatch!

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Great information! I’ve been looking for something like this for a while now. Thanks!

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All the material on the site was obtained through doing extensive reading and Internet research on the subject of hummingbirds. Hope this answers your question.

I have a humming bird nest right outside my big front room window
which has two eggs one egg hatched 2 days ago but the other hasn’t.
I hope the little one didn’t die.

How great to have a nest right outside your window Carol. I too hope the other little one is okay.

If you have any pictures you’d like to share you can email them to us: admin AT

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