Few estimates of pair bond duration are available for social species, especially for carnivores. The authors found that wolf pair bond duration in Scandinavia was short (half of the dissolution events occurred after three consecutive winters), and dissolutions were mostly caused by humans. This shows the impact of extrinsic factors (i.e. humans) on the social unit of this large carnivore population. Milleret et al. https://dx.doi.org/10.1111/1365-2656.12587