The father-son birders Andy and Peter Holden are obviously of the same phenotype. “Natural Selection,” their most recent show, was set in the former Newington Library in south London, where their interest in ornithology informed works whose central concern was precisely the frayed edge between art and nature. The male bowerbird, for instance, creates a nest not for habitation, but purely for aesthetic display. These structures are a kind of folly, decorative at most (and an annoyance to Darwinians at the least). Andy Holden’s Untitled (Bower) (all works 2017) is a re-creation of one of these

For five years, New York–based artist Gina Beavers has been scrolling through Instagram hashtags such as #foodporn, #sixpack, and #makeuptutorial, and working up the images she finds with bulky layers of acrylic so that her bulging, brittle, broad-brush paintings have a material heft that belies the intangible form in which she first encounters her sources. Recently, Beavers appears to have cut back on her fervent social-media consumption. Maybe she’s been spending her time watching television sports instead. For her show titled “Tennis Ball Yellow”—referring to a fluorescent color specially