The average normal body temperature is generally accepted as 98.6Â°F (37Â°C). Some studies have shown that the normal body temperature can have a wide range, from 97Â°F (36.1Â°C) to 99Â°F (37.2Â°C). A temperature over 100.4Â°F (38Â°C) usually means you have a fever caused by an infection or illness.
The neo-Gothic Swallow's Nest castle perches 130 feet (40 meters) above the Black Sea near Yalta in southern Ukraine.
Even in species where the male does not incubate the eggs the male may sit on them when the female is away to reduce heat loss. Incubation stints last for 5â15 minutes and are followed by bursts of feeding activity. From laying, swallow eggs take between 10â21 days to hatch, with 14â18 days being more typical.The chicks of swallows hatch naked, generally with only a few tufts of down. The eyes are closed and do not fully open for up to 10 days.ven in species where the male does not incubate the eggs the male may sit on them when the female is away to reduce heat loss. Incubation stints last for 5â15 minutes and are followed by bursts of feeding activity. From laying, swallow eggs take between 10â21 days to hatch, with 14â18 days being more typical.