Chimpanzee Sanctuary Northwest

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Enjoying the Sunshine and the Tea Party

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The chimpanzees were excited to make the most of the sunshine this morning by spending time on Young’s Hill. Jody was the first to venture outside, followed by Burrito, Jamie, Foxie, Missy and then Annie. Negra was close; she made it to the raceway that leads out to the hill, then sat down and looked outside.

Missy and Annie shared a few quiet minutes sitting together on top of the shaky bridge.

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As soon as Missy spotted Jamie, she jumped down from the bridge and ran after her. And then Jamie took turns running after Missy.

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And then Foxie joined Annie on the shaky bridge. (Annie is facing away from the camera)

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In the mean time, Negra sat quietly in the Greenhouse, near the raceway, alternating between looking outside and inspecting her hand.

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Jody gathered some bamboo before heading back to the greenhouse to relax and groom herself.

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Meanwhile, volunteers Erin and Jake set up a tea party for the chimpanzees in the Playroom for today’s “Tea Party” theme. Jamie was all about it. After drinking the tea, she inspected the inside of each cup; turning it upside down, sticking her fingers in the cup and then licking them. She gives meaning to the saying “Good to the last drop”

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And Burrito spent the better part of the rainy afternoon grooming his good friend Foxie.

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Greenhouse Napping

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It’s hard to remember, but the space that we now call the greenhouse used to be the chimpanzees’ only outdoor area.

building without Young's Hill

Karen and Don Young visited in 2009, and we conceived the idea of encasing the caging in removable polycarbonate panels so that the chimpanzees could enjoy this space year round! The Youngs kicked off donations for this project and we raised the rest of the greenhouse funds at our 2009 auction.

Construction began in late 2009 and early 2010 (because what better time to embark on a construction project than winter?!). Those were some cold construction days, as Jim Spencer I’m sure still remembers.

greenhouse construction in snow

The result for the chimpanzees was so worth it! The greenhouse is their favorite area year round.

greenhouse in snow

When the weather starts to warm up in the spring, J.B. removes some of the panels, leaving the roof, so the chimpanzees enjoy their summer lounging in an indoor-outdoor space.

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Then, around this time of year (today, for example), J.B. buttons up the greenhouse for the winter, so the chimpanzees can enjoy the cooler months in the protected area that heats up with the rays of the sun, or, in the case of today, keeps out the rain.

Today, Jamie enjoyed nesting and napping up high on the platform today, where it’s warmest, as it poured and blew outside:

Jamie sleeping on platform

Jamie at rest

Jamie close up under blanket

Jamie with eyes closed

And, of course, she also ventured onto Young’s Hill during breaks in the rain.

Jamie standing on Young's Hill

Safety in numbers

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Hank the hawk continues to use the sanctuary as his hunting grounds. But while the chimps were once scared of him, some of them are starting to enjoy having him around, if only for the excitement that he provides.

This morning, Missy was sitting quietly on a climbing structure on Young’s Hill.

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Foxie was nearby, with troll in hand.

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Missy approached Foxie and reached out her hand, holding it under Foxie’s chin.

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Then suddenly, she stood up, climbed down the ladder, and swung on the fire hose.

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She leaped off the fire hose and into a full sprint toward the top corner of Young’s Hill, where the hawk had been perched just days before.

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As soon as she reached the top, she turned and ran back to the climbing structure.

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And swung on the fire hose again.

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The other chimps took notice of Missy’s antics and started to move towards the top of the hill. Missy continued jumping, leaping, and tight rope walking while they gathered.

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They began to congregate on the platform closest to the top of the hill.

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They all looked around for any sign of the hawk.

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Finally, Jody walked toward the corner to get a better look.

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But Jody, it seems, does not share Missy’s sense of adventure. Not yet, at least.

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For now, she’d rather play it safe.

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Rainy day

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Sometimes on a rainy day, all I want to do is cuddle up with a blanket or two and read a good book or even take a nap. That has not been the case for Jamie today. She has kept herself quite active with the help of volunteer caregiver Becca, despite the rain. She has already walked around Young’s Hill four times in between heavy rain periods. And when it did start raining harder, she took action right away and ran the rest of the way around the hill.

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When she was not walking around Young’s Hill, she was flipping through magazines and inspecting some of her boots. And she even allowed herself some down time to sit quietly.

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Waiting for the boss

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The chimps spent most of the morning inside due to the rain. When it finally let up, Missy ran straight for the far corner of the hill. Something was up.

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Jody followed after her but seemed nervous about getting too close.

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They both looked around for reassurance.

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Annie was perched safely on the bridge, and showed no interest in putting herself in danger.

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And Neither Foxie nor Burrito showed any willingness to come down from their platform to join the patrol.

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Finally, Missy spotted Jamie at the bottom of the hill and asked for her help with an outstretched arm.

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Jody’s hair was standing on end (also called “pilo erection”), showing her nervousness. She approached Missy for reassurance.

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Neither seemed to have the courage to get any closer.

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At one point, Missy got spooked and decided to bolt, leaving Jody all by herself.

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Lucky for her, help was on the way.

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With Jamie on the case, Missy decided to rejoin the group.

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They headed toward the top corner of Young’s Hill.

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As it turns out, the subject of their apprehension was a hawk that had been roosting on one of the fence posts. The chimps promptly scared it away.

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Jamie is so cool in moments like these. While Missy ran around frantically and Jody looked on helplessly, Jamie calmly strutted her way up the hill, totally confident in her ability to protect her home from invaders. I guess there’s a reason why she’s the boss.

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Droopy lip vs heavy lip

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My all time favorite chimpanzee facial expression is the “relaxed face with drooped lip.”

Jody is famous for her drooped lip face. In fact, I discovered today that if you do a google image search for “drooped lip chimpanzee,” the first three images that come up are of Jody!

But there’s another set of perhaps not as famous lips among the Cle Elum Seven – those of Negra. Rather than classic drooped lip, we like to describe Negra’s lips as “heavy.”

Below are some examples of each. What do you think is more charming – Jody’s drooped lip or Negra’s heavy lip?

 

JODY:

Jody drooped lip face profile

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Jody drooped lip while walking

 

NEGRA:

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Negra heavy lip with eyes closed

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Grooming is so cool

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We’ve talked about the importance of grooming among chimpanzees before, and it’s pretty well known what an essential aspect of life grooming is for most primates. Below is a video of very good friends Burrito and Foxie grooming, with Missy (off-camera), occasionally also grooming Burrito.

There’s a lot of cool things about grooming. In a comment on a post back in 2009, I mentioned some of the following:

The basics: aside from the social aspects, grooming is the removal of dirt and debris and the tending to wounds (licking and picking scabs). It’s why chimpanzees don’t need baths – they do a really good job of cleaning themselves and each other – no water necessary.

The debris found on the grooming partner is not necessarily consumed, even though the lips are usually involved in grooming because chimpanzees use their prehensile lips, almost like another set of fingers, for many activities like inspecting objects, turning the pages of a magazine (in captivity), and especially in grooming.

Increased grooming often occurs after a conflict to reassure and/or “make up” with one another and to cement social bonds. Grooming has a calming affect, which is easy to see when you observe chimpanzees grooming one another. A study of wild chimpanzees that used non-invasive methods to collect urine samples after grooming bouts found that oxytocin (sometimes referred to as “the love hormone”) levels were higher in bonded grooming partners than in samples collected of chimpanzees who had not been grooming or had been grooming with a “non-bond partner.”

Regarding lip movements during grooming: it is common for chimpanzees, as well as other primates, to “lip smack” or “teeth clack” or make other “sympathetic mouth movements” when grooming (also when performing other fine motor behaviors – like many of us who move our tongue a certain way when we’re really concentrating on a task).

Each chimpanzee does his/her own thing, Burrito is a lip smacker (he may teeth clack on occasion too), Foxie is a teeth clacker, and Annie makes raspberry sounds with her lips. The intensity of the mouth movement/noise will increase if something (especially a wound or scab) is found during grooming.

Some scientists have hypothesized that these sympathetic mouth movements were an evolutionary step towards spoken language. Our friend Gabriel Waters and [former] Central WA University professor Dr. Fouts published a study on this theory a few years back: http://cat.inist.fr/?aModele=afficheN&cpsidt=1349990, and there was a book with this premise called Grooming, Gossip, and the Evolution of Language, which I admittedly still need to read, that argued that gossip for humans is what grooming is for chimpanzees and other non-human primates.

So, with all that information, here’s the video of Burrito and Foxie strengthening their friendship through grooming today: