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Over the last 10,000 y, humans have manipulated fallow deer populations with varying outcomes. Persian fallow deer (Dama mesopotamica) are now endangered. European fallow deer (Dama dama) are globally widespread and are simultaneously considered wild, domestic, endangered, invasive and are even the national animal of Barbuda and Antigua. Despite their close association with people, there is no consensus regarding their natural ranges or the timing and circumstances of their human-mediated translocations and extirpations. Our mitochondrial analyses of modern and archaeological specimens revealed two distinct clades of European fallow deer present in Anatolia and the Balkans. Zooarchaeological evidence suggests these regions were their sole glacial refugia. By combining biomolecular analyses with archaeological and textual evidence, we chart the declining distribution of Persian fallow deer and demonstrate that humans repeatedly translocated European fallow deer, sourced from the most geographically distant populations. Deer taken to Neolithic Chios and Rhodes derived not from nearby Anatolia, but from the Balkans. Though fallow deer were translocated throughout the Mediterranean as part of their association with the Greco-Roman goddesses Artemis and Diana, deer taken to Roman Mallorca were not locally available Dama dama, but Dama mesopotamica. Romans also initially introduced fallow deer to Northern Europe but the species became extinct and was reintroduced in the medieval period, this time from Anatolia. European colonial powers then transported deer populations across the globe. The biocultural histories of fallow deer challenge preconceptions about the divisions between wild and domestic species and provide information that should underpin modern management strategies.

The DiSSCo (Distributed System of Scientific Collections) Flanders consortium, with one of the set goals being ``maturing'' (i.e., optimizing the management of) and unlocking (i.e., publishing) their DNA collections, identified 1) the need for actively sharing best practices on the management of DNA collections; and 2) a need for guidance on how to bring theory into practice.During the DiSSCo Flanders project, a DNA collection working group was created. The working group is open to all biodiversity-related DNA collections associates in Belgium, including those in diverse roles such as researchers, lab technicians, collection managers and data managers. Around 50 people from 13 organizations are currently participating. Members can be passively (reading only) or actively (joining events) engaged. The strength, as well as one of the challenges, of the DiSSCo Flanders community is that the natural science collections are created and managed in different organizational contexts: universities, museum institutes and both governmental and non-governmental research organizations. This translates to a variety of collection management decisions and structures such as: decentralized or centralized; cold or room temperature storage; managed by an appointed curator or by a lab technician.The working group organizes meetings and workshops, tours of each other's collections, and shares a mailing list and an online document space. As its principal output, the group has co-created: “The key to bringing DNA collections to the next level” (Veltjen et al. 2024) with two main results: the ``Challenges'' and the “Key”.The ``Challenges'' is a list of 23 challenges applicable to DNA collection management. For example, challenge 8: ``Select or customise collection management systems to meet the needs of DNA collections''. They are intended to spark debate and give focus to the second output: the ``Key.'' The ``Key'' lists seven yes/no questions:Do you have an up-to-date overview of all direct, internal stakeholders of the institute’s DNA collection and are you involving them in the (current) intent to “bring the DNA collection to the next level”?Is preserving a DNA collection within the scope of the institute? And is the DNA collection officially recognized within the institute?Do you have, on paper, a clear description of the scope of the DNA collection?Have you outlined the current overarching workflow of the DNA collection?Have you been able to establish your starting level on the ``DNA collection maturation chart'' and is the assessment properly logged?Level up, one level at a time, and log the process. Have you reached all of the goals in level 3 on the ``DNA collection maturation chart''?Do you have a re-evaluation strategy for your DNA collection?The ``DNA collection maturation chart'' has 11 categories (rows), three levels (columns) and 33 goals (see Table 1 in Veltjen et al. 2024). The Key provides 18 guidance chapters, which give in depth information, literature and user experiences (Suppl. material 2 in Veltjen et al. 2024).The Key is a specialized tool for DNA collections. It facilitates a standardized and holistic approach, allowing both a helicopter view of the maturation process and close-up view of specific goals. The working group aims to test the Key, whereby the process of ``leveling up'' is embedded in a community setting: sharing ambitions, setbacks, changes of plans and success stories. The output is ready in its first version. It is published as a reviewable publication, allowing post-publication peer review (Veltjen et al. 2024). The works are expected to evolve through time, depending on user feedback and user experiences.The working group and co-created output are positive examples of how a local community—sometimes managing smaller, or less conspicuous types of natural science collections—can work together and use their unique perspectives, experiences and needs to contribute to the international natural science collection and biobanking communities.

We describe here “miacid” taxa from the Early Eocene Paris Basin locality of Le Quesnoy (Oise, France). We describe the new species Vassacyon taxidiotis, the first European record of this genus. The other “miacids” identified from Le Quesnoy are Miacis latouri and Gracilocyon solei. The P4 of G. solei is described here for the first time. Its morphology (e.g., wide protocone, short postmetacrista) supports a close relationship with Miacis rundlei from Abbey Wood (MP8 + 9, England). The latter species is therefore classified as Gracilocyon rundlei. Three new tooth positions are known for Miacis latouri: P4, p4 and m2. They support its reference to Miacis. These specimens imply that the European species is more basal than the North American species. The fauna from Le Quesnoy shares with Dormaal the presence of Miacis latouri and Gracilocyon solei, but the “miacid” fauna from Le Quesnoy also contains Vassacyon taxidiotis. The presence in Le Quesnoy of the two former taxa supports a reference to MP7 level of the French locality. The presence of three distinct genera in European localities show that the “Miacidae” were diversified in Europe, as previously observed in North America. The genera Gracilocyon, Miacis, and Vassacyon probably dispersed from Europe to North America during the Palaeocene/Eocene boundary.