Minimal diurnal change in foraging time in an Australian passerine, the white-browed babbler Pomatostomus superciliosus
This paper describes the daily foraging pattern of the white-browed babbler Pomatostomus superciliosus, a small passerine endemic to Australia. The percentage of time spent foraging as the day progressed increased by an average of only 9%. This contrasts markedly with studies of other passerines tha...
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| Veröffentlicht in: | Journal of avian biology 2006-09, Vol.37 (5), p.527-531 |
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| creator | Taylor, Sarah G. Paul, Warren L. |
| description | This paper describes the daily foraging pattern of the white-browed babbler Pomatostomus superciliosus, a small passerine endemic to Australia. The percentage of time spent foraging as the day progressed increased by an average of only 9%. This contrasts markedly with studies of other passerines that have mostly shown a bimodal pattern, with a peak of foraging early in the day followed by a period of reduced activity and a second peak later in the day. The most likely explanation for the observed pattern of foraging time is that babblers experienced considerable diurnal certainty in their food supply mainly as a result of stable and predictable weather conditions. The lack of a marked increase in foraging towards the end of the day might also have resulted from an increase in predation risk at this time and a reduced need to build up food reserves at the end of the day because of the energetic advantages of communal roosting in an enclosed nest. |
| doi_str_mv | 10.1111/j.0908-8857.2006.03530.x |
| format | Article |
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The percentage of time spent foraging as the day progressed increased by an average of only 9%. This contrasts markedly with studies of other passerines that have mostly shown a bimodal pattern, with a peak of foraging early in the day followed by a period of reduced activity and a second peak later in the day. The most likely explanation for the observed pattern of foraging time is that babblers experienced considerable diurnal certainty in their food supply mainly as a result of stable and predictable weather conditions. 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The lack of a marked increase in foraging towards the end of the day might also have resulted from an increase in predation risk at this time and a reduced need to build up food reserves at the end of the day because of the energetic advantages of communal roosting in an enclosed nest.</description><subject>Birds</subject><subject>Communications</subject><subject>Food supply</subject><subject>Foraging</subject><subject>Freezing</subject><subject>Predation</subject><subject>Predators</subject><subject>Songbirds</subject><subject>Starvation</subject><subject>Summer</subject><subject>Winter</subject><issn>0908-8857</issn><issn>1600-048X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqNkUuP0zAUhSMEEmXgJyBZLFiRzPWzzoJFNcMMDMOAEC-xsZzkpnVI4mInauffk7SoC1Z4c698zncX5yQJoZDR6Z03GeSgU63lMmMAKgMuOWT7B8mCKoAUhP7xMFmcTI-TJzE2AMBZLhfJ7oPrXWdbUrkx9NMsN7ZfI3E9qX2wa9evyeC6w4ftyWqMQ7Ctm9atjRGD6_EVGTZIdhs3YFoEv8OKFLYoWgzkk-_s4OPguzGSOG4xlK51Po7xafKotm3EZ3_nWfL16s2Xi7fp7cfrdxer27QUnEJKeQ5SVAx1VReaViJXpVIaWYVQgxIqtznlZYWoCqBoaykZU8wqoUsuUPOz5OXx7jb43yPGwXQulti2tkc_RkNzCTllbDK--MfY-EMi0TCQTCiqxWTSR1MZfIwBa7MNU3rh3lAwcx2mMXPSZk7azHWYQx1mP6Gvj-jOtXj_35y5WX2bt4l_fuSbKc5w4jkwIZZy1tOj7uKA-5Nuwy-jlnwpzfe7a_P55yW85_TOXPE_E-mq0g</recordid><startdate>200609</startdate><enddate>200609</enddate><creator>Taylor, Sarah G.</creator><creator>Paul, Warren L.</creator><general>Blackwell Publishing Ltd</general><general>Blackwell Publishing</general><general>John Wiley & Sons, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7QG</scope></search><sort><creationdate>200609</creationdate><title>Minimal diurnal change in foraging time in an Australian passerine, the white-browed babbler Pomatostomus superciliosus</title><author>Taylor, Sarah G. ; Paul, Warren L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4310-139054d2e8dfb81d496c668e2de0f06469a913cdee6b01eaf552262a648c34e83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Birds</topic><topic>Communications</topic><topic>Food supply</topic><topic>Foraging</topic><topic>Freezing</topic><topic>Predation</topic><topic>Predators</topic><topic>Songbirds</topic><topic>Starvation</topic><topic>Summer</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Taylor, Sarah G.</creatorcontrib><creatorcontrib>Paul, Warren L.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Animal Behavior Abstracts</collection><jtitle>Journal of avian biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Taylor, Sarah G.</au><au>Paul, Warren L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Minimal diurnal change in foraging time in an Australian passerine, the white-browed babbler Pomatostomus superciliosus</atitle><jtitle>Journal of avian biology</jtitle><addtitle>Journal of Avian Biology</addtitle><date>2006-09</date><risdate>2006</risdate><volume>37</volume><issue>5</issue><spage>527</spage><epage>531</epage><pages>527-531</pages><issn>0908-8857</issn><eissn>1600-048X</eissn><abstract>This paper describes the daily foraging pattern of the white-browed babbler Pomatostomus superciliosus, a small passerine endemic to Australia. 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| ispartof | Journal of avian biology, 2006-09, Vol.37 (5), p.527-531 |
| issn | 0908-8857 1600-048X |
| language | eng |
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| source | Wiley Online Library Open Access |
| subjects | Birds Communications Food supply Foraging Freezing Predation Predators Songbirds Starvation Summer Winter |
| title | Minimal diurnal change in foraging time in an Australian passerine, the white-browed babbler Pomatostomus superciliosus |
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