Although they look dramatically different, carrion crows and hooded crows are almost indistinguishable genetically, and hybrid offspring are fertile, but the two forms remain distinct mostly due to ...

Although carrion crows and hooded crows are almost indistinguishable genetically, they avoid mating with each other. Researchers from Ludwig-Maximlian-Universitaet (LMU) in Munich have now identified ...

Although carrion crows and hooded crows are almost indistinguishable genetically, they avoid mating with each other. Researchers have now identified a mutation that appears to contribute to this ...