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The checklist includes 282 chewing lice species belonging to 63 genera, 4 families and 2 suborders recorded in Bulgaria until… Expand 1. This paper describes the ritualized and non-ritualized behavior patterns shown by the African Openbill Stork(Anastomus… Expand Only a single species of stork, the Black-necked Stork Ephippiorhynchus (= Xenorhynchus) asiaticus, occurs in Australia today… Expand The Shoebill stork, an enigma phylogenetically, was found to contain as its dominant biliary bile acid 16alpha… Expand Ethological studies in the 1940s and 1950s, most notably those of Lorenz and Tinbergen, emphasized a historical perspective. By… Expand This study is a phylogenetic analysis of the avian family Ciconiidae, the storks, based on two molecular data sets: 1065 base… Expand The phylogeny of 11 species of Old World vultures (Aves: Accipitriformes, Aegypiinae), three species of New World vultures… Expand The extinct family Teratornithidae contains the world's largest known flying birds. A new method of determining body weights of… Expand -A recently proposed "phylogenetic" classification of birds (Cracraft 1981b) is not constructed according to cladistic principles… Expand IN two recent papers Clark (19'69) and Curry-Lindahl (1970) have reported spread-wing postures in storks and other birds and… Expand