Green Heron (Butorides virescens) Science Article 1 abstract This report has to do with some observations made in a Green Heron colony during the seasons of 1921 and 1922. The colony was located in a willow marsh near the north shore of the eastern section of the dam at Lakeview, Kansas. BESSIE PRICE REED, The […]
Category: Ciconiiformes
Evidence from nature: interspecies spread of heronhepatitis B viruses
Great Blue Heron (Ardea herodias) Science Article 8 abstract Heron hepatitis B viruses (HHBVs) in three subspecies of free-living great blue herons(Ardea herodias) from Florida, USA, were identified and characterized. Eight of 13 sampleswere positive in all assays used, whereas sera from egrets, which are also members of the familyArdeidae, were negative in the same […]
Retrobulbar teratoma in a great blue heron (Ardea herodias)
Great Blue Heron (Ardea herodias) Science Article 2 abstract At presentation to the Vermont Institute of Natural Science,an adult female great blue heron (Ardea herodias) hadunilateral exophthalmos. The bird was subsequently euthanatizedand submitted to the Tufts University School of VeterinaryMedicine Wildlife Clinic. Scott H. Schelling, J Vet Diagn Invest 6:514-516 (1994) Download article download full […]
COMPARISON OF TECHNIQUES FOR CENSUSING GREAT BLUE HERON NESTS
Great Blue Heron (Ardea herodias) Science Article 7 abstract A comparison of the accuracy of different techniques for counting Great Blue Heron (Ardea herodias) nests suggests that aerial-visual estimates and aerial photographic counts provide reliable measures of colony size while minimizing disturbance to nesting herons. Additionally, post-nesting season ground counts of nests provide a suitable, […]
Utilizing the great blue heron (Ardea herodias)in ecological risk assessments of bioaccumulativecontaminants
Great Blue Heron (Ardea herodias) Science Article 5 abstract Selection of an appropriate species isa key element of effective ecological risk assessments(ERA), especially when site-specific fieldstudies are to be employed. Great blue herons(GBH) possess several ideal characteristics of areceptor species for the assessment of bioaccumulativecompounds in the environment. Rita Marie Seston, Matthew John Zwiernik ET […]
GREAT BLUE HERON DEATHS CAUSED BY PREDATION ON PACIFIC LAMPREY
Great Blue Heron (Ardea herodias) Science Article 9 abstract Encounters between predator and prey commonly leadto the death of the prey species; accidental deaths ofthe predator are believed to be relatively rare. Here wereport two cases of Great Blue Heron (Ardea herodias)mortality involving the Pacific lamprey (Entosphenustridentata) in Alviso, California. BLAIR 0. WOLF and STEPHANIE […]
Nest Site Characteristics of Great Blue Herons (Ardea herodias) inNortheast Ohio
Great Blue Heron (Ardea herodias) Science Article 1 abstract Seventeen Great Blue Heronries were surveyed in nine counties of northeast Ohio during the1993 breeding season to determine nest site characteristics. Herons nested in 15 species of deciduoustrees, selecting the taller trees at each site. Crown integrity was not a requisite for tree usage; repaired(reoccupied) nests […]
Nest Site Characteristics of Great Blue Herons (Ardea herodias) inNortheast Ohio
Great Blue Heron (Ardea herodias) Science Article 1 abstract Seventeen Great Blue Heronries were surveyed in nine counties of northeast Ohio during the1993 breeding season to determine nest site characteristics. Herons nested in 15 species of deciduoustrees, selecting the taller trees at each site. Crown integrity was not a requisite for tree usage; repaired(reoccupied) nests […]
Predation of Eared Grebe by Great Blue Heron
Great Blue Heron (Ardea herodias) Science Article 10 abstract Great Blue Herons (Ardea herodias)typically prey upon fish and other aquatic organisms,and they occasionally take small mammals and birds.We observed a Great Blue Heron attack, kill, and attemptto consume an Eared Grebe (Podiceps nigricollis).The heron was unable to swallow the grebe, andit abandoned the carcass after […]
Eustrongylides and Pesticide Levels in a Great Blue Heron Shot in Wisconsin
Great Blue Heron (Ardea herodias) Science Article 11 abstract The parasitic roundworm, Eustrongylides ignotus [agersk , has been known to cause mortalit y and morbidity in members of the heron family in the eastern states of North America. To date no previous records exist for this nematode in Wisconsin. D . M . Swinefordi, Patuxent […]