Invasive alien species (IAS) contribute to biodiversity loss, yet animals deemed invasive are both part of biodiversity and individuals themselves. This poses a challenge for global environmental politics, as governance system goals for biodiversity conservation and animal protection can conflict. Using an integrative governance (IG) framework, we map global and European Union IAS and animal governance instruments and systems, and relationships between them. Relationships are explained by actors’ unequal power dynamics, prioritization of human and environmental health, hegemonic anthropocentric discourses, and trade globalization. These factors encourage valuing certain animals—native and domestic—above others. Relationships between the governance systems have been limited. However, integration is deepening because of the transnational and interlinked nature of biodiversity loss and other issues, such as climate change and biosecurity. Nevertheless, as engagement with nonhuman entities brings new challenges, practicing greater IG could go further than this, as acknowledgment of animals’ interests is lacking in IAS governance.

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