Those are the first lines of a song written in 1979 by Bill Staines, once a regular on Garrison Keillor's radio show. The brown-headed cowbird, our resident cowbird, does have a place in the choir, ...

Some 100 species of birds are what scientists call “obligate brood parasites”–instead of building nests and raising their own young, they lay their eggs in the nests of other species and let those ...

Evolution, Vol. 74, No. 4 (APRIL 2020), pp. 795-796 (2 pages) How do obligate parasites cope with hosts that lack genetic elements required for parasite replication? Gupta et. al. (2020) illustrate an ...

Malaria is caused by a eukaryotic microbe of the Plasmodium genus, and is responsible for more deaths than all other parasitic diseases combined. In order to transmit from the human host to the ...