| In 1999 we prepared blood smears from all adults to check for the presence of hematozoa, bloodborne parasites transmitted by biting Diptera. |
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| Blood smears can detect infection by these hematozoa, but are thought to have low diagnostic sensitivity. |
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| This paper would not have been possible without the assistance of the late Gordon R Bennett, who graciously examined blood smears for hematozoa. |
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| Microscopic examination of blood smears can be effective at diagnosing and quantifying hematozoa infections. |
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| Birds that were captured twice during the breeding season were considered to have been parasitized for analyses of return rates if hematozoa were detected in either sample. |
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| In Europe, asymptomatic blood infections by hematozoa have been regularly observed, with an especially high prevalence in songbirds. |
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| This finding confirmed the scarcity of hematozoa in polar regions and provided baseline data for the little auk. |
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| None of the toads of either species harbored trematodes, hematozoa in the blood, or coccidian oocysts in the feces. |
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| Given the importance of environmental factors on transmission, it remains essential that researchers studying avian hematozoa document abiotic factors such as temperature, moisture and landscape elements. |
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| Hemograms and hematozoa of sharp-shinned and Cooper's hawks captured during spring migration in northern New York. |
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