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A Day in the Life of a Migrating Robin

What is the typical traveling day of a migrating robin? Let's go along for the ride:

Robins are very unusual migrants in that they can migrate by day or by night! In autumn, many huge robin flights take place in daylight, but in spring, they often fly by night. Why do you think there is a difference between seasons? Might it have something to do with their different food choices in spring and fall?

In spring, robins feel restless, ready to migrate. Their whole body is urging them to establish a territory, mate, and raise babies--but they can't start any of these until they arrive on their breeding grounds.

Fuel for Migration: Hunting for Food

When cold weather holds them back, robins spend their days searching for food and eating as much as they possibly can. The berries and fruits still sticking to trees after the long winter are the ones that taste the worst--birds eat their favorite berries first of all, just like people eat our favorite Halloween candy first, so the last ones sitting around are just about always the worst kinds. And for robins, any last berries hanging around are even starting to get a little rancid, so they will only eat them now only if they really can't find anything better. Fortunately, right when they need it most, the ground starts thawing, and suddenly big fat succulent earthworms are ripe for the picking!

Robins eat a lot of food, especially during migration. Their bodies must get as fat as possible to allow them to fly long distances without stopping. This would be unhealthy for us humans, because fat tissue might damage our hearts or block our arteries and veins, but bird bodies are made to store fat very efficiently in a healthy way. When a robin wakes up at first light, he (and the first migrating robins are ALWAYS males) is hungry! He immediately starts searching the ground for any worms or insects he can find. Yummmmm! Cold breakfast!

When his stomach gets full, he starts feeling restless. Migrating robins usually stay in flocks, which is one good way to tell if a robin you're seeing is a migrant headed farther north or one that is going to stay.

Communication, Robin Style

You can learn alot by listening to them too: If one of the robins spots a person or other mild danger, if makes its "whinny" call, and the other robins check it out. If the danger gets closer, they take off. If a hawk or shrike approaches from overhead, the first one to spot it opens its beak wide and makes a very high-pitched "Seeee" call, and all the robins instantly crouch low in place and freeze. They can wait for many minutes without moving. Once the danger is past, they all go back to eating. All the robins in the flock are antsy to move on, and suddenly they do--the whole flock just picks up and leaves! In the air or taking off, they often give their "Zeeeeup!" call, a contact call for migrating.

The Final Leg of Migration

If the weather is warm and migrating conditions are right, the flock will head in a northerly direction, but if they suddenly spot a promising looking field they'll drop down for a break and a snack. If the weather is too cold for migrating, they'll search for likely fields where they can find food in more of a circle, all around the area they're in. Sometimes, if the weather turns very cold, they'll actually head south again in their search for food.

All day long they eat and move about restlessly. When night comes, they sleep. Until, one night, when they have lots of food in their stomachs, lots of fat on their bodies, and the weather has been just warm enough, suddenly they REALLY take off!

Robin daytime movements are pretty low to the ground. But at night, when they have trouble seeing shadows, they rise higher to avoid bonking into things. They may fly as high as a mile up in the air, though usually they fly lower than that.

When each robin finally arrives on his territory, he bursts into song! It sounds as if he's singing from sheer joy to be home, but as humans, we really can't be sure how birds really feel. We do know that his song tells other robins to STAY OUT! And when migrating robins hear a territorial robin's song, it makes them more restless to press north to find their own territories.


Journaling

Imagine you are an unusually literate robin who keeps a diary. Pretend you've had an exhausting day migrating. Write a journal entry about your day's adventures.

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