The Washington Post has an interesting article on the transformation of the National Zoo's reptile house ("Reptile Discovery Center") into a more conservation-oriented organization.
National Zoo’s Reptile Discovery Center adds endangered species, emphasizes preservation - The Washington Post
There is also a Washington Post story on the demonstration of problem-solving skills by their young male elephant, apparently a break-through in elephant cognition studies:
National Zoo elephant has an ‘aha’ moment - The Washington Post
National Zoo’s Reptile Discovery Center adds endangered species, emphasizes preservation - The Washington Post
There is also a Washington Post story on the demonstration of problem-solving skills by their young male elephant, apparently a break-through in elephant cognition studies:
National Zoo elephant has an ‘aha’ moment - The Washington Post