Jun 28 2008


Published by at 12:11 pm under Nesting & Courtship,Water and Shore

Wood Duck with babies (photo by Chuck Tague)At the moment they hatch, baby birds are as small as the egg they came from, but when you first see a baby bird away from the nest it might be as big as its mother.

This can be confusing. How can a “baby” bird be so big? Well, first let’s talk about small babies and work up to the big ones.

Chuck Tague captured this sweet picture of a mother wood duck at Moraine State Park. Her babies are all we expect them to be: small and very cute.

Ducks and geese hatch precocial young,¬†immediately mobile, relatively mature. The safest place for a duckling is on the water so right after they hatch they walk – or in the case of wood ducks, jump – from the nest to the lake and swim away with momma. That’s why we see little baby ducks.

I said “the safest place is on the water,” but there is almost no safe place for a duckling. They cannot fly to escape threats and they are not very quick swimmers. Turtles, water snakes and large fish take their toll. That’s why ducks and geese lay up to a dozen eggs per brood. This mother wood duck is doing pretty well to have half her young still with her.

Now for the big babies, the ones that are the same size as adults when we first see them.

Have you noticed that you never see a baby pigeon?

Birds that nest on cliffs but don’t swim – peregrine falcons and rock pigeons – have only one way to leave the nest. They must fly, and they must do it well enough to land in a safe place. Added to their problem is that their nest location is very windy.

For these birds the first flight is all or nothing. The best way to survive it is for the young to be adult size and fully feathered before they leave the nest. If there weren’t webcams on the peregrine nests we would never know the babies are small and white for several weeks. Pigeon nests don’t have webcams so we never see baby pigeons.

And so I come to the surprise people registered when they saw how big our fallen peregrine, Sky, was. How could he get that big in 6 weeks? Why is he so big if he only left the nest 18 days ago?

It’s confusing until you remember that all baby birds grow to adult size in a matter of weeks. It’s just that with baby ducks, we get to see the process.

4 responses so far

4 Responses to “Babies!”

  1. Libby Strizzion 28 Jun 2008 at 4:42 pm

    It’s so refreshing to see these cheerful little guys, after the sadness earlier this week.

  2. Amy Fon 01 Jul 2008 at 9:10 am

    You know, I never really thought about not seeing baby pigeons before!

  3. Jana Friedmanon 18 Aug 2008 at 9:20 pm

    I have been watching mother and father with two babies since two eggs were layed and its been fantastic. Now the babies are full size and I’m just a little bit worried because they haven’t walked or flown as far as I can tell. The parents watch from above or 2 feet or so from the nest. I left some food for the parents bacause they may have a hard time finding food, I am just worried because the babies look so lethargic but it has only been about 18 days since they were hatched. Apparently it takes a while for them to fly. The nest is in a place where it is very secluded (no people, no cars and no other birds…this might not be in their best interest. Also, there is some wire grating over the roof top that the parents have learned how to navigate (at first they got trapped but found their way out after 3 or 4 experiences like this) so I hope they will show the way out for the babies. If they don’t, I will have to take the babies for pets…I really don’t want to do that. It would mean keeping them in a cage plus I have a cat. So I am worried about these babies escaping their shangrila. Any suggestions?

  4. Kate St. Johnon 19 Aug 2008 at 9:30 am

    You didn’t say what species of bird is involved. If you know the species, we can look up the number of days between hatch & fledge so you know what to expect.

    The parents will definitely teach their young how to leave the area. You might be able to help by opening the hole a little more.

    Unless these birds are pigeons, house sparrows or starlings, federal law prohibits you from keeping them as pets. If you “rescue” them you will have to take them to a wildlife rehab facility.

    All in all, it is best to wait & see – and let nature take its course.

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