Marked Birds Database – updating the Current Age

As explained in the blog post about bird ages, the Marked Birds Database keeps track of the Current Age of a bird.

It is shown in the top right corner on many layouts:

mbdb-180-bird-overview

Because the Current Age is tracked in calendar years, it changes each year on the 1st of January. When a new year starts therefore, the Current Age needs to be updated. This can be done manually or automatically.

Note: Having the correct Current Age set is important because it is used to set the observation age of a bird whenever a new observation is created.

Updating manually

If you only have a few birds to update, you can do this manually by doing one of the following:

  • Click the blue arrows in the lower left corner of the Current Age field

current-age-field

  • Open the Current Age list and set the next calendar year for that bird

current-age-field-list

When done, click Save.

Updating automatically

When you have many birds to update, it is easier to let the database do this automatically for you.

Step 1. Make sure that you are on the Bird Overview layout.

Step 2. Make sure that all birds are shown. If needed, click the Show All button in the toolbar.

Example: here, only 1 bird is shown:

show-all-1

After clicking the Show All button, all birds are shown:

show-all-2

Step 3. In the top right corner, click Batch Actions and in the window that appears, click Update Current Age.

update-current-age-batch-update

Step 4. Confirm that you want to perform the action by clicking Yes.

Note: please ignore the tip about first searching for Marker Events, this does not apply anymore.

update-current-age-batch-update-confirm

Let the process run. When completed, a message will appear.

update-current-age-batch-update-completed

Step 5. Check for a few birds that the Current Age has been correctly updated. If needed, update the Current Age manually.

Troubleshooting

After automatically updating the Current Age I see that it has not been updated for some birds.

The update process works by re-calculating the Current Age based on the ringing details or entered observations. When neither are available, no information is available to update the age and therefore it is left as is. For these birds the Current Age needs to be updated manually by selecting an age from the list.

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