We think we have found some of the cutest couples there exist out there. These little guys would rather not eat than move away from their mate and would go at great length to just be with them. True romance in the animal kingdom 🙂
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Firth, J.A. et al. (2015) Experimental Evidence that Social Relationships Determine Individual Foraging Behavior. Current Biology.
Harvey, P.H., Greenwood, P.J. and Perrins, C.M. (1979) Breeding Area Fidelity of Great Tits (Parus major). Journal of Animal Ecology.
Discover magazine, 12th November 2015 Birds Give Up Food to Stay Close to Their Mates.