Joan L. Morrison

Joan L. Morrison

Albuquerque, NM

Trinity College, Hartford, CT; Archbold Biological Station, Lake Placid, FL

Ph.D.

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Published on Jan 23, 2019

Updates for the New Year   As we begin the 2nd year of this project, we reflect on what we’ve learned and how we will proceed.  Turns out the older caracaras are quite difficult to capture, so we expect more success by focusing on nestling...

Updates for the New Year As we begin the 2nd year of this project, we reflect on what we’ve learned and how we will proceed.  Turns out the older caracaras are quite difficult to capture, so we exp...

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Published on Jun 09, 2018

Just about ready to fledge!

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Published on Jun 07, 2018

Caracaras tagged!

Caracaras tagged!

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Published on Jan 19, 2018

Updates!

Updates!We continue to monitor our tagged juvenile caracara. It has been more than 2 months since we tagged him and he seems to be doing fine. Most locations received are in agricultural fields, ...

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Published on Dec 16, 2017

Our first success!

Our first success!We tagged our first caracara on the Santa Cruz flats, a juvenile, on November 17, 2017. Since his release, he has moved alot around central Arizona, north of Tucson. Telemetry l...

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Published on Apr 23, 2017

Updates from the caracara project

Hello everyone.  I figure I should give you some updates on our caracara project in Arizona. We tried 2 trapping attempts over the past few months, with no success.  This was not un...

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Published on Feb 01, 2017

Let's go catch some birds!

Groups of caracaras are foraging in the fields in central Arizona and we have received the GPS transmitters, so it is time to begin field work.   We will make the first attempts at trapping over th...

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Published on Dec 05, 2016

Where is the food?

Our campaign was successful!  Thanks to all our backers for your support!  With the technology on order and our field observers already collecting data on the ground, we will be rea...

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Published on Nov 15, 2016

Caracaras are arriving!

Here are some counts, done over the past couple of years, of caracaras (CRCA) and black vultures (BLVU) in our Arizona study area. The seasonality in presence of car...

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Sorry I cannot remove the attachments. Please see the figure, above.
Reply to:Doug JennessDoug Jenness
Well there aren't so many fence posts in our study area! But they do congregate in both Florida and Arizona, and that was the point of this photo as was to point to their sociality, which is a bit unusual for a raptor. Not many raptor species like each other that much!
Reply to:Cindy WuCindy Wu
Hi Cindy -good question! I assume these caracaras may have just finished their morning meal so they have gathered together on this convenient fenceline to digest, preen their feathers, and just hang out. The are very social birds so like to be together in these groups, at least during the non-b...more