| 单词 | Molothrus |
| 例句 | They breed on the ground under the grass, and conceal their nest so well that I doubt whether the parasitical Molothrus ever finds it. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z Molothrus represents one family; Piranga, Richmondena, Spiza, Junco, and Zonotrichia, a second; Estrilda, Poephila, Carpodacus, and Spinus, a third; and Passer, a fourth. Myology and Serology of the Avian Family Fringillidae A Taxonomic Study For birds like the Cuckoo and the Molothrus it is not possible to plead attenuating circumstances. The Industries of Animals The name Molothrus has been given to the genus that includes the cowbirds. Our Bird Comrades A new cowbird of the genus Molothrus with a note on the probable genetic relationships of the North American forms. Birds from Coahuila, Mexico I have, at all events, never seen them followed by the young of Molothrus demanding food. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z Icterus, Molothrus, Richmondena, Guiraca, and Passerina lack the fibrous band that passes around the front of the knee. Myology and Serology of the Avian Family Fringillidae A Taxonomic Study As soon as the little Molothrus feels his body covered with feathers and his little wings strong enough to sustain him he quits his adopted parents without consideration. The Industries of Animals Your bird is, I have no doubt, the Molothrus mentioned in my "Journal of Travels," page 52, as representing a North American species, both with cuckoo-like habits. More Letters of Charles Darwin — Volume 2 The parasitic habits of another species of Molothrus, the M. bonariensis, are much more highly developed than those of the last, but are still far from perfect. The Origin of Species by means of Natural Selection, 6th Edition But any thing approaching the young Molothrus is welcomed with fluttering wings and clamorous cries, as if all creatures were expected to minister to its necessities. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z From the model it is observed that, Molothrus and Passer excluded, the birds fall into two distinct groups: one includes Piranga, Richmondena, Spiza, Junco, and Zonotrichia; the other includes Estrilda, Poephila, Carpodacus, and Spinus. Myology and Serology of the Avian Family Fringillidae A Taxonomic Study Two other species of Molothrus have the same habit, as have the American Cuckoo and the Golden Cuckoo of South Africa. The Industries of Animals In the foregoing anecdotes may be seen the peculiar habits of the young Molothrus. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z Now, in Molothrus bonariensis we see just such a vague, purposeless habit as the imaginary one I have described. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z I have, frequently found the eggs of the Molothrus in its nest, but have never been able to see this Sparrow feeding, or followed by, a young Molothrus. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z Molothrus shows greater serological correspondence to the richmondenine-emberizine-thraupid assemblage than to any of the other birds tested. Myology and Serology of the Avian Family Fringillidae A Taxonomic Study How does the young Molothrus learn to distinguish, even by sight, its foster-parent from any other bird approaching the nest? Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z One female often lays several eggs in the same nest, instead of laying only one, as does, according to Wilson, the Molothrus pecoris- 75 - of North America. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z To all these circumstances favourable to the Molothrus may be added another of equal or even greater importance. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z I continued watching them until the Molothrus flew off, but not before I had seen him fed seven or eight times in the same manner. Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:17.560Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。