![A student using calipers to take measurements from a preserved salamander specimen](https://metamorphosis-project.org/wp-content/uploads/2023/04/salamander-specimen-linear-measurement-calipers-credit-morgane-fournier-600x600-opt-768x768.webp)
Natural history collections: reference libraries of biodiversity
Natural history collections are vast repositories of biodiversity data. We share photos of a recent visit we made to a natural history museum to collect linear caliper measurements and other data from the specimens.