Department of Zoology

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    Warmer autumns could spell bad news for butterflies

    New research finds that longer and warmer autumns make it less likely that green-veined white butterflies will survive winter to emerge in spring.

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    Two researchers at Department of Zoology receive the 2022 Human Frontier Science Program Award

    Two researchers from the Department of Zoology, Valentina Di Santo and Rhonda Snook, have been offered the prestigious and competitive Research Grants that support novel collaborations among teams of scientists working in different countries.

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    Guppyfiskar

    Mosaic brain evolution in guppies

    Researchers at Stockholm University have provided the first experimental evidence that brain regions can evolve independently of each other during cognitive evolution.

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    Rapsfjäril

    Urban butterflies and moths have evolved adaptations that extend their flight season

    A new study shows that butterflies and moths tend to be active later in the fall in urban than in rural environments. Experiments demonstrate that their response to seasonal variation in day length has evolved, resulting in a later start of the overwintering state, called diapause, in urban populations.

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    Sperm cells and egg

    Females supercharge sperm evolution in animals

    Why is sperm size among different animal species so variable? In a new article published in Nature Ecology and Evolution, researchers from Department of Zoology show that animal sperm evolution become supercharged only when sperm swim inside females.

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    Bananfluga

    Infertility poses major threat to biodiversity during climate change

    Ecologists in international collaboration, including Rhonda Snook from the Department of Zoology, warn in a new study that heat-induced infertility in men will see some species fall under the effects of climate change earlier than previously thought.

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    Two wolves

    Mating with relatives? Not a big deal in nature

    We usually assume that inbreeding is bad and should be avoided under all circumstances. But new research performed by researchers at Stockholm University, published in Nature Ecology and Evolution, shows that there is little support for this assumption.

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    New insights on the rarely studied avian Indo-European flyway

    Researchers at Department of Zoology and the Swedish Museum of Natural History have together with European researchers published the first detailed study of the migratory route of Common rosefinches by investigating the understudied avian Indo-European flyway.

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    World’s oldest DNA reveals how mammoths evolved

    An international team led by researchers at the Centre for Palaeogenetics has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old.

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    Rapid evolution of coordinated and collective movement

    A new study led by Niclas Kolm published in Science Advances has used artificial selection to examine the evolution of collective motion and what other behaviors are affected when "a guppy turns into a sardine".

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