Created: 9/14/2015 Updated: 7/29/2016
You may have noticed some new faces in our Blanding’s Turtle Conservation Lab, that’s because we have taken in a new group of Blanding’s hatchlings to headstart.
It all began a few months ago, when our Biology team and Dan Thompson of the Forest Preserve District of DuPage County went out into the field to track down some gravid Blanding’s turtles that were ready to lay their eggs. Each turtle has a tiny radio transmitter attached to her shell which gives off a unique signal so using a receiver we can track them. After locating them, the turtles were put into secure laying pens so they could lay their eggs in safety before being re-released. The eggs were then collected and put into an incubator to hatch.
After a couple of months, the tiny turtles began to emerge from their eggs.
It was about at this same time that our 2014 hatchlings reached the point where they were ready to be released into the wild. So, a few weeks ago, our Biology staff, along with Dan Thompson, released 60 of our 2014 Blanding’s hatchlings into the wild. We kept 24 of the 2014 hatchlings (some of which you can see in our Blanding’s display tank in Mysteries of the Marsh), and have introduced 106 2015 Blanding’s hatchlings to the Conservation Lab.
The majority of turtle predation takes place as eggs or during the first two years of life. By giving the Blanding’s hatchlings a "headstart" at the Museum during this vulnerable time, we are increasing their chances of survival. Although our Animal Care team works hard to provide them with this headstart, we don’t want the turtles to become habituated to humans. In order to reduce the risk of this happening, our biologists keep handling to an absolute minimum and the turtles that are on exhibit at the Museum are behind one-way glass. This is all part of a larger effort, in collaboration with the Forest Preserve District of DuPage County, to help restore the population of this endangered, native species and help re-establish ecological balance to the area.
Created: 9/1/2015 Updated: 7/29/2016
Museum collections are filled with all types of objects – fish in jars, textiles, oil paintings, mammal skins, fossilized plants, historic photographs. These tangible items, the specimens and artifacts, are very cool and I’m only a little biased. But, the really good stuff is something more intangible. The really cool stuff in museums is the data associated with those objects.
Why is data more cool than the real item, you say?
With data, we can tell the story of each specimen and artifact. Here is a label from a Passenger pigeon specimen, Ectopistes migratorius, which states:
“Purchased by Mr. James Richardson, of [the] Am. Museum of N. Hist. [American Museum of Natural History], in the flesh, in the New York Market.”
Passenger Pigeons are an extinct species; the last member of their species died in 1914. This specimen was collected along the Canadian River in 1889, two and a half decades before they went extinct. The pigeon was shipped to New York for the purpose of being sold as food, where it was being sold in a local meat market. That a staff member of the museum purchased the bird and then added it as a scientific specimen to the museum’s collection is fascinating to me. It sparks questions in my mind -- Why did they collect this specimen? Did they have knowledge about the species’ decline at this time? Were they in the habit of scouring city markets for different species? Other species have been re-discovered this way, most notably the Coelacanth.
Without data, the specimen, artifact, or piece of art is only that. We might be able to identify it and give it a name or title, but we won’t know how that particular piece fits into the larger puzzle that lets us understand our world. We won’t know who the artist was or why the piece was created. We won’t know where the animal lived or when or be able to discern how it interacted with its environment. The story is truncated, as is any knowledge that we may have gained.
In the process of caring for the Academy’s museum collections and archives, it is not just the specimens and artifacts that we are preserving, but the information about those items as well. The relationship between a specimen and its data is protected as these components are not nearly as useful separated from each other.
Dawn RobertsView Comments