AVID
发表于 2025-3-30 10:09:53
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取之不竭
发表于 2025-3-30 15:24:31
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ZEST
发表于 2025-3-30 19:12:23
Diurnal time-activity budgets of redheads (,) wintering in seagrass beds and coastal ponds in Louisia Madre) and from ponds adjacent to the Laguna Madre. Activities differed (.<0.0001) by location, month, and diurnal time period. Resting and feeding were the most frequent activities of redheads at the two estuarine sites, whereas drinking was almost nonexistent. Birds on ponds in Texas engaged mos
overture
发表于 2025-3-31 00:43:06
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Synthesize
发表于 2025-3-31 00:54:01
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EWE
发表于 2025-3-31 08:41:45
Breeding waterbird wetland habitat availability and response to water-level management in Saint Johnrearing habitat for waterfowl along the Saint John River floodplain in New Brunswick. Impounded wetlands make up approximately 13% of the Saint John River Floodplain complex. Study objectives included an evaluation of waterfowl brood, and wetland obligate bird use of impoundments and seasonally floo
Emasculate
发表于 2025-3-31 09:15:42
Populations of ducks and trout of the River LaxÁ, Iceland, in relation to variation in food resourceeland: Barrow’s goldeneye, ., harlequin duck, ., and brown trout, ., in relation to food resources and other environmental variables. The study is largely based on correlations from long-term monitoring series in the period 1975– 2002. Production of young in the harlequin duck was significantly corr