Academic Journal
Can you hear me? House sparrow auditory processing differs across an urbanization gradient.
| Τίτλος: | Can you hear me? House sparrow auditory processing differs across an urbanization gradient. |
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| Συγγραφείς: | Nduwimana LA; Department of Biology, Hope College, 35 East 12th Street, Holland, MI, 49423, USA.; College of Veterinary Medicine, Michigan State University, 784 Wilson Rd, East Lansing, MI, 48824, USA., Grimes SE; Department of Biology, Hope College, 35 East 12th Street, Holland, MI, 49423, USA.; Department of Forestry and Natural Resources, Purdue University, 915 W State St, West Lafayette, IN, 47907, USA., Yurk B; Department of Mathematics & Statistics, Hope College, 27 Graves Place, Holland, MI, 49423, USA., Ronald KL; Department of Biology, Hope College, 35 East 12th Street, Holland, MI, 49423, USA. ronald@hope.edu. |
| Πηγή: | Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology [J Comp Physiol A Neuroethol Sens Neural Behav Physiol] 2026 May; Vol. 212 (3), pp. 555-578. Date of Electronic Publication: 2026 Mar 24. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Springer Country of Publication: Germany NLM ID: 101141792 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1351 (Electronic) Linking ISSN: 03407594 NLM ISO Abbreviation: J Comp Physiol A Neuroethol Sens Neural Behav Physiol Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: Berlin ; New York : Springer, c2001- |
| Ιατρικοί όροι (MeSH): | Sparrows*/physiology , Evoked Potentials, Auditory, Brain Stem*/physiology , Auditory Perception*/physiology , Hearing*/physiology , Urbanization*, Auditory Threshold/physiology ; Vocalization, Animal/physiology ; Animals ; Male ; Female ; Acoustic Stimulation ; Auditory Acuity |
| Περίληψη: | Urbanization alters both the physical and sensory environments of habitats and has the potential to affect animal communication. While the challenges faced by signalers in urban environments are increasingly understood, far less is known about how urbanization influences the physiology or behavior of sensory receivers. Here, we examined the relationship between urbanization and auditory sensitivity of house sparrows (Passer domesticus), a human-commensal songbird that inhabits environments spanning a rural–urban gradient. We used auditory brainstem responses (ABRs) to assess hearing sensitivity across individuals captured at sites differing in urbanization. We predicted that urban-living would be associated with frequency-dependent changes in auditory sensitivity. In particular, we expected that urban sparrows may have greater high-frequency sensitivity compared to their rural counterparts, consistent with reported shifts in urban song structure. Overall, our results showed mixed support for this prediction. Increased levels of urbanization were associated with lower hearing sensitivity and greater delays in the ABR but the exact magnitude and direction of these effects depended on how urbanization was quantified, the sex of the individual, and the features of the acoustic stimulus. These changes in auditory processing with urbanization may reflect a communication cost to sensory receivers or, alternatively, a mechanism for avoiding noise masking. These findings are some of the first evidence in songbirds that the sensory physiology of receivers, not just signalers, can be impacted by human activity. |
| Competing Interests: | Declarations. Conflict of interest: The authors declare no competing interests. |
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| Contributed Indexing: | Keywords: Auditory brainstem response; Auditory thresholds; Communication; Urban ecology |
| SCR Organism: | Passer domesticus |
| Entry Date(s): | Date Created: 20260324 Date Completed: 20260627 Latest Revision: 20261010 |
| Update Code: | 20261010 |
| DOI: | 10.1007/s00359-026-01800-w |
| PMID: | 41874591 |
| Βάση Δεδομένων: | MEDLINE |
| ISSN: | 1432-1351 |
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| DOI: | 10.1007/s00359-026-01800-w |