We’re celebrating the newest member of the Small Mammal House, a baby prehensile tailed porcupine, by taking a closer look at one of the species‘ defining characteristics—quills!
Quills also contain the clues to a porcupine’s gender.
https://nationalzoo.si.edu/center-for-conservation-genomics/about-ccg
CCG researchers specialize in genetic management of animal populations, genomics, non-invasive DNA, ancient DNA, systematics, disease diagnosis and dynamics, genetic service to the zoo community.
environmental DNA: Using DNA analysis of shed items, such as scat or hair, to identify the species, gender
https://nationalzoo.si.edu/animals/cuban-crocodile
Cuban crocodiles are one of the most endangered species of crocodile and are found only in Cuba. These small crocodiles are strong swimmers. They walk and leap with ease and are equally at home in water and on land.
Social Structure In groups, Cuban crocodiles form a dominance hierarchy based on gender, size and temperament
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