Probable effect of delisting of the Peregrine Falcon on availability of urban nest sites

Mark S. Martell, Jennifer L. McNicoll, Patrick T. Redig

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We surveyed owners and/or managers of urban nest sites of Peregrine Falcons (Falco peregrinus) in the Eastern Recovery Region of the United States to determine their attitudes toward these birds. Telephone interviews were conducted from 14 January-12 March 1999 with 75 individuals responsible for 95 different nest sites on 47 buildings, 29 bridges and 19 power plants. None of the contacts had plans to remove nest boxes or trays or to discourage nesting by peregrines and no changes were expected after delisting at 88 (92%) sites. One contact reported that delisting of peregrines would result in removal of the nest box and, at another six sites, contacts were unsure if delisting would result in removal of nest boxes. The majority (82%) of respondents reported having 'positive' feelings about the Peregrine Falcons on their structures and, at 92% of the sites, they felt that the presence of the falcons had a positive effect on operations, tenant feelings and/or public goodwill. The majority (74%) of respondents said that having nesting Peregrine Falcons on their structures resulted in changes in site management or operations. Broken windows, attacks on workers, sanitation and restricted access to nesting areas were examples given of problems affecting operations. We conclude that there is no evidence to indicate that removing the Peregrine Falcon from the Federal Endangered Species List will result in widespread loss of man-made, urban nesting sites in the eastern United States.

Original languageEnglish (US)
Pages (from-to)126-132
Number of pages7
JournalJournal of Raptor Research
Issue number2
StatePublished - Jun 1 2000


  • Endangered species
  • Falco peregrinus
  • Peregrine Falcon
  • Urban nesting


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