Maryland Code, Natural Resources § 10-402

(a) A person may not take or destroy or attempt to take or destroy the nest or eggs of any wild bird or possess the nest or eggs.

(b) A person may not hunt or take any nest or egg of any bird regulated by the United States Department of the Interior pursuant to the Migratory Bird Treaty Act, 40 Stat. 755,  1 except in the manner and by the means prescribed by the rules and regulations adopted by the Secretary of the Interior of the United States and approved by the President of the United States pursuant to the provisions of the Migratory Bird Treaty Act, 40 Stat. 755.

(c) A person may take or possess any nest or egg of any wild bird regulated by the United States Department of the Interior pursuant to the Migratory Bird Treaty Act, 40 Stat. 755, for scientific purposes if the person first obtains a permit from the Secretary of the Interior of the United States and a scientific certificate from the Department.