Ingestion Species and Ingestion Intensity of Birds on Taxillus nigrans in the Urban of Chengdu Plains

In order to reveal visiting and ingestion bird species and their ingestion intensity on Taxillus nigrans,one of the parasitic Loranthaceae species in autumn and winter,investigetions were made on the bird species,visiting times,and ingestion times from October 10,2013 to December 19,2013.There were 19 species visiting T.nigrans,among which,11 species ingested fruits.Pycnonotus sinensis was the only species which ingested fruits on every censored day,and the ratio of ingestion days was 100%.Dicaeum ignipectus ingested fruits in November and December.The ingestion intensity with bird species was various,D.ignipectus had a most intensive ingestion degree,and then in descending order came Pycnonotus sinensis, Eophona personata, E.migratoria, Phylloscopus chloronotus, Pardaliparus venustulus,Zosterops erythropleurus,Aegithalos concinnus,Garrulax sannio,and Chloris sinica.