Chimpanzee Sanctuary Northwest

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reassurance

Reassurance

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As I mentioned earlier, we’ve been putting forages out on the hill to encourage the chimps to go out. Negra will do anything for lettuce, so we’ve been using trails of lettuce leaves to lead her across the log bridge to the lowest platform. Tonight she climbed to the top of the platform for what I think was the first time.

On her way back she heard something that startled her. Determined to stay with her lettuce, she sought reassurance from a caregiver from afar, and then from Jamie who approached from below.

Negra amazes me. Imagine the courage that it takes to venture out into the wide open after living 35+ years in cages scarcely bigger than your own body. I am thrilled to see her on that hill.

Fighting and Making Up

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Fights are really common among chimpanzees. Being a caregiver you get used to the intense screaming, which often occurs even during fights with no contact between participants. You also know by the sounds when things have escalated. There was a conflict about a week ago which resulted in some minor bite wounds between Foxie and Burrito. After a brief squabble this afternoon, this pair spent a lot of time grooming each other.

The wounds were the initial focus of the grooming – chimps will closely inspect injuries on themselves and each other and clean them up by removing debris. So, grooming is good for their physical health. It’s also important for the social health of the group. The act of grooming is the chimpanzee way of healing and strengthening bonds. (For more on fighting and making up, see also J.B.’s post Conflict and Reassurance with amazing photos of a reassurance hug between Burrito and Foxie from May 4th).

Burrito
Burrito

Foxie

Foxie

 

Foxie grooming Burrito

Foxie and Burrito groom

 

Foxie groom burrito

 

sometimes grooming turns into playing – another great way to strengthen social bonds

Foxie and Burrito groom and play

Foxie hand Burrito's mouth

 

Conflict and Reassurance

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Foxie and Burrito are very good friends. But even best friends fight from time to time.

This morning, as we were preparing to serve breakfast, Burrito launched into a display in the outdoor area. He had been on edge all morning and his display was probably a little more aggressive than usual. I couldn’t see what happened, but in an instant there was a lot of screaming and Burrito was tearing back into the playroom with Foxie hot on his heels. A few seconds later, the girls had him cornered, and Foxie tackled him from behind.

When chimps fight, everything happens so quickly that it’s difficult to make out what exactly happened. But after the fight had ended, Burrito was left with a cut above his eye, a cut on his back, and a huge bruise to his ego.

The rest of the day was uneventful but tense, as Burrito’s conflict with Foxie and the other girls still had not been resolved. Chimps seek out reassurance, often immediately after a fight, but Burrito and Foxie had not yet made up. So later in the afternoon, Burrito launched into a brief display and then dove into Foxie’s arms. They hugged momentarily and then spent 15 minutes quietly grooming one another. Burrito found the reassurance he was looking for.

 

New benches! + What’s with all the reassurance?

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J.B. has already applied his new welding skills by fabricating two new awesome benches for the playroom. Thanks to Barb from Ohio for aiding in the project by “adopting” J.B. and purchasing the workshop heater from our amazon.com wish list.

The video below mentions reassurance, which is really common among chimpanzees. This simplifies what can be complex behavior, but, in general, asking for reassurance can be a submissive or peacekeeping behavior, or it can be a way to ask, “are you on my side?” Giving reassurance can be saying, “everything’s okay between us” or “yep, I’ve got your back.”

In the first instance in the video, Jamie is submitting to Burrito and Burrito accepts her submission by doing a quick arm over gesture as he runs by. Looking at this 2 sec interaction in isolation, you might suspect that Burrito was dominant to Jamie, but looking at their interactions overall, that’s not the case. It could be that Jamie just wanted to acknowledge Burrito’s display but let Burrito know she wasn’t interested in starting any trouble with him, so she could get to work looking for food.

In the second instance in the video, Foxie is being submissive to Negra, probably not because Foxie thinks that Negra is going to start something, but because Foxie is respectful of those who are higher ranking and often plays the role of peacekeeper, keeping the group calmer by giving reassurance to whoever seems excited.

Chimpanzees are a bit tightly wound in general, and a high arousal situation such as a great food forage can quickly turn into a fight. So, in any high arousal situation, chimpanzees will be doing a lot of asking for and giving reassurance, even if the situation is a happy occasion. Sometimes the exchange of reassurance is more just a sharing in the excitement of the moment than a submissive or dominant behavior.

The new door

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On Sunday, the chimps got to use the new door for the first time. We do our best to keep things interesting around here, but the facility itself doesn’t change that often, so the chimps are always very excited and very curious to see the improvements. 

Anytime there is a major change, whether in the social group or in their environment, the chimps like to reassure each other and seek comfort amidst the excitement. You’ll notice a lot of greeting, hugging, and submissive behavior in this video (Foxie kissing Burrito, Jody greeting me with a “genital bounce”, Annie kissing Jody, Annie and Missy submitting to Burrito who is off-camera). 

We serendipitously discovered that the chimpanzees appreciate having fire hoses hanging just outside the door. The hoses were there previously, but once we installed the door, many of the chimps used them to climb from the door up to the the platform outside without setting foot on the wet ground. That’s one of the strange things about caring for ex-lab chimps (any captive chimps, really). Wet ground is a fact of life for free-living chimps, but it can be unpleasant and even terrifying for individuals who have spent a lifetime indoors. We used to place tractor tires outside so that Foxie could use them as stepping stones, but now we’ll have to hang some more fire hose by the other door.

Kissing

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Chimpanzees often kiss each other as a means of seeking reassurance. Usually what we call a kiss is really more of a soft bite with the lips covering the teeth. In this case, Annie was overly excited and she looked to Missy for comfort. Missy didn’t really have to do much – really, she just had to accept it – but that was enough to reassure Annie. 

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