On a warm, moist day in Fall, hundreds of worms found love in a nearby field. Here are three of the happy couples:
Posted in Biology, Education, Gardening, Photography, Science
Tagged clitellum, cocoon, copulating, copulation, earthworms, egg, female, genital pores, grass, hermaphrodite, male, mating, megadrile, mist, moist, rain, reproduction, sex, sperm, wet
Mutant robin (Turdus migratorius) with mask of white plumage. I suspect the leucism was congenital because the patches were located on several parts of the body (injury and parasites can sometimes cause regrowth to be white). Regardless of cause, it’s a good look. Spotted on the campus of Swarthmore College, Swarthmore, Pennsylvania.
Robins seem to be famous for leucism (Gross 1965), as a Google image search will confirm. If you’d like to see some even stranger birds, check out this page from Cornell University.
Posted in Biology, Photography, Science
Tagged albinism, albino, allele, avian, bird, color, coloration, development, dna, evolution, gene, grass, hopeful monster, leucism, mutant, mutation, natural selection, partial albino, patches, radiation, robin, sectoring, Turdus migratorius, variation, white
Just because it amused me.