SEASONAL DISTRIBUTION OF RECOVERIES AND CAUSES OF BLACKBIRD MORTALITY

被引：7

作者：

BATTEN, LA ^{[1
]}

机构：

[1] BRITISH TRUST ORNITHOL, TRING HP23 5NR, HERTFORDSHIRE, ENGLAND

来源：

BIRD STUDY | 1978年 / 25卷 / 01期

关键词：

D O I：

10.1080/00063657809476571

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

An analysis of ringing recoveries for Blackbirds since 1909 has shown a change in their seasonal distribution, fewer birds being found dead in winter. Proportionally more birds are now killed by traffic and cats in the breeding season. June-July is a critical period for juvenile Blackbirds, particularly if these months are relatively dry. © 1978 Taylor & Francis Group, LLC.

引用

页码：23 / 32

页数：10

共 11 条

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[10] POPULATION DYNAMICS OF BLACKBIRD [J].

SNOW, DW .

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