COLONIAL BEHAVIOR OF EPTESICUS FUSCUS
COLONIAL BEHAVIOR OF EPTESICUS FUSCUS
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DOI：
10.2307/1377726
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发表时间：
1968-01-01
影响因子：
1.7
通讯作者：
HASSELL, MD
中科院分区：
文献类型：
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作者：
DAVIS, WH;BARBOUR, RW;HASSELL, MD
在肯塔基州的建筑物中，人们对大棕蝠进行了研究。蝙蝠在五月到达殖民地，在年轻人断奶之前，殖民地几乎没有成年雄性。幼仔出生于六月初。母亲们甚至在喂食飞行中留下了最小的婴儿，母亲们从地板上找回了自己的婴儿，并认出了自己的婴儿。年轻的蝙蝠生长迅速，生长曲线。分娩后，蝙蝠妈妈在附近进食，很快就回到它们的孩子身边;随着年轻人的成熟，母亲离开的时间更长了。当3周大的时候，年轻人会飞，到6月中旬，母亲和年轻人都在夜间栖息。成年人在大约一个小时的喂食中填饱了肚子。大棕蝠不耐热，在华氏92 - 95度的温度下会留下栖息地。这是一个相当定居的物种;大多数记录的运动是几英里或更少。
Big brown bats, Eptesicus fuscus, were studied at maternity colonies in buildings in Kentucky. Bats arrived at the colonies in May, and colonies contained few adult males before the young were weaned. Young were bom in early June. Mothers left even the youngest babies behind during feeding flights, and mothers retrieved their fallen babies from the floor and recognized their own. Young bats grew rapidly; growth curves are presented. After parturition mother bats fed close by and returned soon to their babies; as the young matured the mothers stayed away longer. When 3-weeks-old the young could fly, and by mid-June mothers and young were using a night roost. Adults filled their stomachs in about an hour of feeding. Big brown bats were not tolerant of heat, and left a roosting spot at temperatures above 92[degree]-95[degree]F. This is a rather sedentary species; most movements recorded were of a few miles or less.