Results 21 to 30 of about 668 (175)
Sterna hirundo Linnaeus, 1758 Common tern—Gaviotín boreal Quadraceps sellatus sellatus (Burmeister, 1838) Saemundssonia (Saemundssonia) sternae (Linnaeus, 1758)
Gonza ́ Lez-Acun, Daniel A. +1 more
openaire +1 more source
The frequency of recombination and the patterns of crossover site distribution along the chromosomes vary considerably among animal species, including closely related species.
A. P. Lisachov +4 more
doaj +1 more source
Assessing nest attentiveness of Common Terns via video cameras and temperature loggers
Background While nest attentiveness plays a critical role in the reproductive success of avian species, nest attentiveness data with high temporal resolution is not available for many species.
Jeffery D. Sullivan +6 more
doaj +1 more source
Nesting seabirds in SE Spain: distribution, numbers and trends in the province of Almería
Little is known on the abundance of seabirds breeding in southeastern Spain. This study reports on the distribution, numbers and population trends of breeding colonies of this avian group in this region.
Mariano Paracuellos, Juan Carlos Nevado
doaj +1 more source
In the Palaearctic, Sterna hirundo ranges from Europe (hirundo), Turkestan (turkestanica), Mongolia (minussensis) to Siberia (longipennis).The western races have red bill and legs and pink breast, the eastern having black bill and legs and greyish breast, and minusseusis intergrades to the western races or the eastern race on both sides of its range ...
openaire +3 more sources
Discovery and study of viruses carried by migratory birds are tasks of high importance due to the host’s ability to spread infectious diseases over significant distances.
Alina Matsvay +8 more
doaj +1 more source
Sterna hirundo (MGT): breeds in North America, Eurasia and the southern Caribbean from April to August. It migrates from late August to October to Santa Cruz Province in Argentina through the Atlantic Ocean, and to Peru through the Pacific Ocean. It returns in mid-March and April (Cordeiro et al., 1996; Gochfeld et al., 2016b).
Somenzari, Marina +20 more
openaire +2 more sources
Parental care of the Common Tern Sterna hirundo [PDF]
Parental care activities of male and female Common Terns Sterna hirundo were recorded over two breeding seasons. Males and females exhibited distinct parental roles throughout a breeding bout. Courtship feeding by males was extensive prior to and during egg‐laying, but declined with the onset of incubation.
DAVID A. WIGGINS, RALPH D. MORRIS
openaire +1 more source
We applied two recent approaches largely used in biological conservation: Threat Analysis (TAN) and Threat Reduction Assessments (TRAs), assessing the effectiveness of a project focused on two water-related bird species (common tern, Sterna hirundo and ...
Pietro Giovacchini +2 more
doaj +1 more source
Attendance of scavenging seabirds at trawler discards off Galicia, Spain
The occurrence of scavenger seabirds at fishing trawlers was studied off Galicia, Spain. A total of 9,368 seabirds of 23 species were recorded during 92 fishing operations in 1998 and 1999.
Julio Valeiras
doaj +1 more source

