Evolution Letters

@evolletters.bsky.social

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OA journal publishing the best work in evolutionary biology. Jointly owned by @eseb.bsky.social & @sse-evolution.bsky.social, published by OUP. https://academic.oup.com/evlett Tag us in your post about your Evolution Letters papers and we will repost!

A photo of a heard of 13 Soay sheep on Flat Holm Island, Wales. The sheep are clustered close together, and are a mixture of dark brown and light colors.
Graphic from the paper showing four areas where our understanding of thermal biology can be improved by combining surface (Ts) and/or body (Tb) temperatures with other types of data, such as BMR (“basal metabolic rate”) and ambient temperatures (TA).
A photo of Cardamine hirsuta showing a bifurcating green shoot with elongated leaves along the ends. A cluster of white flowers is starting to bloom in the middle of the shoot.
A water flea of genus Daphnia in lateral view, showing an orange embryo in the brood pouch and greenish digestive tract through its transparent carapace. Credit: WikimediaCommons
Illustration of projected changes in leaves. Three possible scenarios are shown as green shoots of different lengths with different densities of projected leaves.
A photo of prairie blazing star (Liatris pycnostachya), wild bergamot (Monarda fistulosa), and black-eyed Susan (Rudbeckia hirta) in bloom in the Big Stone National Wildlife Refuge in Minnesota.
Rostral (C) and caudal (D) view of volumetric reconstructions of the brains of wild male H. e. venus (left half) and H. chestertonii (right half)
A photo of Drosophila melanogaster on a leaf.
A photo of a threespine stickleback (Gasterosteus aculeatus), a small, elongate fish with iridescent green color along the back and translucent fins.
Figure showing the experimental overview as a graphic. Remaining alt text taken from the figure caption in the paper: (A) we sampled flies from six wild orchard populations ranging from Homestead, FL, to Lancaster, MA, and established isofemale lines in the laboratory. (B) We returned to a focal orchard in Media, PA, at early- and late-season timepoints and collected flies to capture evolutionary patterns following winter and summer conditions. (C) We then seeded outdoor mesocosms (N = 9) with an outbred population originating from early-season collections in Media, PA, and sampled flies at the end of summer (mid-season) and fall (late-season) to determine if seasonal patterns are recapitulated in experimental populations controlled for migration, drift, and cryptic population structure. (D) Across each wild or experimental context, we sampled flies, established lines in the lab, completed common garden treatment to remove environmental effects, and scored females for abdominal pigmentation. We also conducted pooled DNA sequencing on additional flies sampled from each population to map genomic patterns for candidate pigmentation SNPs.
A photo of the flowers of Arabidopsis thaliana, which has small white flowers with yellowy-green centers.
An image of a fruit fly created by collage.
Fold changes in viral load across Drosophilidae host species after infection with different viruses. Bar heights and color show the mean change in viral load from 0 to 2 dpi on a log10 scale, with error bars representing the standard error of the mean. The phylogeny of Drosophilidae hosts is shown at the bottom, with a scale bar for the number of nucleotide substitutions per site and an axis showing the approximate age since divergence (mya)
Two phylogenies shown facing each other with silhouettes of a sloth, wolf, goat, bat, mouse and gorilla at the tips of each. The left phylogeny shows orbit convergence (measured in degrees) and the right phylogeny shows relative position of high-acuity retinal specialization.
A photograph of two red deer standing on a rock. Both deer are looking at the camera, and the individual on the left is wearing a radio transmitting collar.
A photo of female Drosophila melanogaster seminal receptacle with GFP tagged sperm.
A photo of a dingo, a slender candid with a light brown coat and pointed ears, standing in a field.
Social life cycle of D. discoideum illustrating clone mixing. Life stages are not drawn to scale. Labels on the illustration read: 1) vegetative amoebas feed on bacteria, 2) when starving, amoebas aggregate to form multicellular mound, 3) mound matures into a motile slug and moves towards light, 4) during fruiting, most amoebas develop into spores, ~20% are sacrificed to form stalk, 5) spores disperse to new environments and hatch into vegetative amoebas, 6) by disproportionately investing in spores, cheater genotypes can outcompete cooperators.
A photo of Rumex hastatulus, a flowering plant with clusters of small, red flowers.