منابع مشابه
Salmonella enteritidis isolated from an eared grebe (Podiceps nigricollis).
The reported prevalence of salmonellosis its wild birds is relatively low, though the numl)er of species of birds reported as having the disease or being carriers of the organism is increasilig (Faddoul et al., 1966, Avian Dis. 10: 8994). The course of the disease in binds ralsges from acute to chronic. Affected birds essay recover, become carriers of the organism alsd periodically shed it into...
متن کاملStratification, sulfide, worms, and decline of the Eared Grebe (Podiceps nigricollis) at the Salton Sea, California
Anderson, T.W., M.A. Tiffany and S.H. Hurlbert. 2007. Stratification, sulfide, worms, and decline of the Eared Grebe (Podiceps nigricollis) at the Salton Sea, California. Lake Reserv. Manage. 23:500–517. Over the last half century the Salton Sea has been an important migratory stopover site for the Eared Grebe (Podiceps nigricollis). However, in recent years there have been sporadic mass mortal...
متن کاملLift-based paddling in diving grebe.
To examine the hydrodynamic propulsion mechanism of a diving great crested grebe (Podiceps cristatus), the three-dimensional kinematics was determined by digital analysis of sequential video images of dorsal and lateral views. During the acceleration phase of this foot-propelled bird, the feet move through an arc in a plane nearly normal to the bird's line of motion through the water, i.e. the ...
متن کاملRoost Structure, Modification, and Availability in the White-throated Round-eared Bat, Lophostoma Silvicolum (Phyllostomidae) Living in Active Termite Nests
We studied roost structure, modification, and availability in Lophostoma silvicolum (Phyllostomidae), an insectivorous gleaning bat, on Barro Colorado Island (BCI), Panama. Collection of nest material beneath termitaria and infrared video filming indicated that males of L. silvicolum excavate and maintain cavities inside active termite nests. A binary logistic regression analysis showed that to...
متن کامل(Disturb Day) at Bhopal
In order to study GPS position error, the GPS Ionospheric Scintillation and TEC Monitor (GISTM) based GPS receiver was installed at an equatorial station, Bhopal (23.2 N, 77.4 E, Geomagnetic latitude 14.23 ̊ N), India. We analyzed the horizontal error and the level of confidence in terms of DRMS & CEP and positional error from fixed GPS point for 16 June 2005(disturb day). In order to study the ...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1970
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay4273