 Desbouvrie proposed two swallow aviaries at Montmartre and at Fort Mont @-@ <unk> . The Montmartre cote was scheduled to be constructed first , if Captain <unk> confirmed the results and recommended further training . A report from The Globe stated that <unk> believed all his birds were too young for full testing and required additional training . The American Magazine noted that Desbouvrie did not breed his birds and obtained them all as nestlings , although he promised he could breed them easily if he wanted to do so . Over half a century later P.W. Brian stated in Bird Navigation that Desbouvrie " appeared to be unwilling to demonstrate them . " 
