Crow Photos

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Title: Betty holding bent wire
ID #: 0001
Description: From the hook/wire experiment, this shows Betty holding a piece of wire she has just bent.
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Title: Betty retrieving bucket with wire 1
ID #: 0002
Description: From the hook/wire experiment, this shows Betty retrieving the bucket from the well with wire she has just bent.
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Title: Betty retrieving bucket with wire 3
ID #: 0004
Description: From the hook/wire experiment, this shows Betty retrieving the bucket from the well with wire she has just bent.
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Title: Betty with bucket
ID #: 0005
Description: From the hook/wire experiment, this shows Betty just after she's retrieved the bucket from the well. You can see the meat inside the bucket.
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Title: Abel in well + stick experiment 1
ID #: 0006
Description: This shows Abel retrieving a bucket from the well using a stick with a hook on the end of it. This experiment preceded the hook/wire one above.
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Title: Abel in well + stick experiment 2
ID #: 0007
Description: This shows Abel eating the meat he has just retrieved from a bucket from the well, using a stick with a hook on the end of it. This experiment preceded the hook/wire one above.
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Title: Betty in well + stick experiment 1
ID #: 0008
Description: This shows Betty trying to retrieve the bucket from the well, using a stick with a hook on the end of it. This experiment preceded the hook/wire one above.
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Title: Betty in well + stick experiment 2
ID #: 0009
Description: This shows Betty trying to retrieve the bucket from the well, using a stick with a hook on the end of it. This experiment preceded the hook/wire one above.
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Title: Betty in well + stick experiment 3
ID #: 0010
Description: This shows Betty trying to retrieve the bucket from the well, using a stick with a hook on the end of it. This experiment preceded the hook/wire one above.
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Title: Betty in well + stick experiment (wrong way)
ID #: 0011
Description: This shows Betty trying to retrieve the bucket from the well, using a stick with a hook on the end of it (but using it the wrong way round, with the hook in her beak). However, she is able to get the bucket this way, which is the reason this experiment was not continued. This experiment preceded the hook/wire one above.
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Title: Betty in folk physics experiment 1
ID #: 0012
Description: This shows Betty in a "folk physics" experiment. Her task was to pull the correct rake towards her, dragging along a bucket of meat. One of the rakes had a stiff cross-piece and the other a floppy one, so she had to choose the correct one (on the left, here).
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Title: Betty in folk physics experiment 2
ID #: 0013
Description: This shows Betty just completing a trial in a "folk physics" experiment. Her task was to pull the correct rake towards her, dragging along a bucket of meat. One of the rakes had a stiff cross-piece and the other a floppy one, so she had to choose the correct one (on the left, here).
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Title: Betty looking at pushing experiment apparatus
ID #: 0014
Description: This shows Betty looking at the apparatus for a "pushing" experiment. Her task was simply to push the meat out of the tube using a stick.
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Title: Betty in pushing experiment 1
ID #: 0015
Description: This shows Betty in a "pushing" experiment. Her task was simply to push the meat out of the tube using a stick. You can see that she has pushed the bucket containing meat almost to the end of the tube
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Title: Betty in pushing experiment 2
ID #: 0016
Description: This shows Betty just after completing a trial in a "pushing" experiment. Her task was simply to push the meat out of the tube using a stick.
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Title: Betty natural tool use 1
ID #: 0017
Description: This shows Betty using tools in her aviary (Abel is also visible on the left). She has made this tool out of oak branches in the aviary, and is using it out of an experimental context.
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Title: Betty natural tool use 2
ID #: 0018
Description: This shows Betty using tools in her aviary. She has made this tool out of oak branches in the aviary, and is using it out of an experimental context.
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Title: Betty in length experiment 1
ID #: 0019
Description: This shows Betty in a length selection experiment (see Chappell & Kacelnik, 2002 Animal Cognition 5:71-78). Her task was to select a stick of sufficient length to retrieve the meat from the tube. This is a still from a video, so is not available in very high resolution.

Title: Betty in length experiment 2
ID #: 0020
Description: This shows Betty just completing a trial in the length selection experiment (see Chappell & Kacelnik, 2002 Animal Cognition 5:71-78). Her task was to select a stick of sufficient length to retrieve the meat from the tube. This is a still from a video, so is not available in very high resolution.

Title: Portrait of Abel outside
ID #: 0021
Description: This is a portrait of Abel in the old outside aviaries.
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Title: Portrait of Abel inside
ID #: 0022
Description: This is a portrait of Abel in the old inside room.
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Title: Portrait of Betty 1
ID #: 0023
Description: This is a portrait of Betty in the old outside aviaries.
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Title: Portrait of Betty 2
ID #: 0024
Description:This is a portrait of Betty in the old outside aviaries.
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Title: Portrait of Betty 3
ID #: 0025
Description: This is a portrait of Betty in the old outside aviaries.
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Title: Miscellaneous tools made by Abel and Betty in captivity
ID #: 0026
Description: This shows tools Abel and Betty made and used out of cardboard and leaf petioles. As these were directly scanned in, we do not have this photo at very high resolution.

Title: Feather tools made by Abel and Betty in captivity
ID #: 0027
Description: This shows tools Abel and Betty made out of their own feathers. They remove the barbs from long feathers, and then use the stem formed by the quill and shaft. As these were directly scanned in, we do not have this photo at very high resolution.

Title: Twig tools made by Abel and Betty in captivity
ID #: 0028
Description:This shows tools Abel and Betty made and used out of twigs. As these were directly scanned in, we do not have this photo at very high resolution.

Title: Right-lateral tool use
ID #: 0029
Description: This shows crow BG using a tool right-laterally. See 'Handedness' for more details. Note that this is a still from a movie clip, so very high quality is not available.

Title: Uek & Nalik looking
ID #: 0030
Description: This shows two hand-raised crows, Uek and Nalik. See 'Development' for more details.
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Title: Uek with an oak branch 1
ID #: 0031
Description: This shows a hand-raised crow, Uek, shortly before making a tool from an oak branch. See 'Development' for more details.
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Title: Uek with an oak branch 2
ID #: 0032
Description: This shows a hand-raised crow, Uek, shortly before making a tool from an oak branch. See 'Development' for more details.
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Title: Uek making tool
ID #: 0033
Description: This shows a hand-raised crow, Uek, making a tool from an oak branch. See 'Development' for more details.
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Title: Uek holding oak tool
ID #: 0034
Description: This shows a hand-raised crow, Uek, holding a tool she has just made from an oak branch. See 'Development' for more details.
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Title: Uek & Nalik on stump 1
ID #: 0035
Description: This shows two hand-raised crows, Uek and Nalik, on a tree stump. Uek appears to be attempting to displace Nalik. See 'Development' for more details.
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Title: Uek & Nalik on stump 2
ID #: 0036
Description: This shows two hand-raised crows, Uek and Nalik, on a tree stump. Uek appears to be attempting to displace Nalik. See 'Development' for more details.
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Title: Uek on stump
ID #: 0037
Description: This shows a hand-raised crow, Uek, holding a tool while standing on a tree stump. See 'Development' for more details.
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Title: Uek on stump 2
ID #: 0038
Description: This shows a hand-raised crow, Uek, probing into a hole in a tree stump. See 'Development' for more details.
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Title: Uek on stump 3
ID #: 0039
Description: This shows a hand-raised crow, Uek, probing into a hole in a tree stump. See 'Development' for more details.
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Title: Uek looking
ID #: 0040
Description: This shows a hand-raised crow, Uek, looking at the camera with a tool in her beak. See 'Development' for more details.
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