This dataset comprises reference and deformed images of F1 hybrid and house sparrow (THE) hybrid skull prints and a short Matlab code to extract wireframe deformation model. Loading was conducted at the University of Nottingham in 2023 on a customised loading frame. A reference database is provided as an example of pre-processed data. Full details about this nonGeographicDataset can be found at https://doi.org/10.5285/38e3bd7f-63a6-41a6-8bb3-4cad89bdb14d

This dataset comprises MicroCT 3D scans of skulls from Passer sparrows (Passer domesticus, P. hispaniolensis, P. italiae and F1 hybrids) generated during a crossing experiment at the University of Oslo, Norway in 2014/2015. Skulls were scanned with a microCT scanner at the University of Nottingham in 2023. Full details about this nonGeographicDataset can be found at https://doi.org/10.5285/c75ac806-2968-4bf0-8c72-ed4e0dc2ed7e