Results 141 to 150 of about 12,431 (199)

A comprehensive epidemiological approach documenting an outbreak of H5N1 highly pathogenic avian influenza virus clade 2.3.4.4b among gulls, terns, and harbor seals in the Northeastern Pacific. [PDF]

open access: yesFront Vet Sci
Haman KH   +22 more
europepmc   +1 more source

The statistical software revolution in pharmaceutical development: challenges and opportunities in open source.

open access: yesDrug Discov Today
Sabanés Bové D   +11 more
europepmc   +1 more source

Biometrics and Primary Molt of Common Tern and Sandwich Tern in Autumn in Puck Bay, Southern Baltic

Waterbirds, 2007
Data were collected at one of the important stop-over sites in the southern Baltic between 1989 and 1995. Sandwich Terns were not only more advanced in primary molt than Common Terns, but also replaced their flight feathers faster due to larger number of primaries growing simultaneously. All caught adult Sandwich Terns were in active molt, whereas over
Włodzimierz Meissner, Robert Krupa
exaly   +2 more sources

Biometrics and colour forms of chicks of common terns and arctic terns

Ringing & Migration, 1984
Methods of distinguishing the chicks of Common and Arctic Terns based on measurement of tarsus length and on the colours of the dorsal down and the belly down are described. The variation of tarsus length with age was investigated by relating it to bill length, to mid‐toe length, and to body weight.
J. C. A. Craik, S. M. Harvey
openaire   +1 more source

Evidence for social facilitation of preening in the common tern

Animal Behaviour, 1998
Social facilitation of reproductive behaviour has been studied extensively in gulls and terns, but social facilitation of preening has been reported only anecdotally, and has not been previously quantified. We studied a common tern, Sterna hirundo, colony during the summers of 1996 and 1997 to test for socially facilitated preening.
, Palestis, , Burger
openaire   +2 more sources

Primary moult in black terns and common terns

Ringing & Migration, 1987
In July‐September 1984 the primary moult of Black Terns Chlidonias niger and Common Terns Sterna hirundo was studied in the southwestern region of the Ijsselmeer near Amsterdam, The Netherlands. The study was undertaken using the method of collecting and identifying shed primaries. Primaries collected were identified by their lengths. Both species have
openaire   +1 more source

ON HOMOTYPOSIS AND ALLIED CHARACTERS IN EGGS OF THE COMMON TERN

Biometrika, 1914
(1) Origin of the material and method of measturement. The settlement of Common Terns, which provided material for the present work, is one of old establishment on Blakeney Point, Norfolk. This is a shingle spit of some 8 miles in length on the north coast of Norfolk, about 12 miles west of Cromer.
William Rowan, K. M. Parker, Julia Bell
openaire   +1 more source

Group Adherence in the Common Tern

Bird-Banding, 1951
An additional decade of field work and study in this area has yielded data which not only further substantiate the concept of the Cape 'Cod group of terns, but also show some of the reasons for the persistence of this phenomenon. It suggests that while kinship is an important causative factor, as in similar associations of other forms, it is ...
openaire   +1 more source

Chick Survival in Terns (Sterna Spp.) with Particular Reference to the Common Tern

The Journal of Animal Ecology, 1972
The differential survival of young birds within a brood prior to fledging occurs in many bird species. This phenomenon is particularly common in raptors, storks and corvids where it has been well documented (e.g. Schmaus 1938; Schuiz 1942, 1957; Lockie 1955), but it also occurs in various other species.
openaire   +1 more source

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