OK. THE IDs OF THESE EGGS. Most of you ID'd #2 right away but none with #1:
#1 is a Bald Eagle egg. Some facts about bald eagle eggs:
What color and size are bald eagle eggs?
Bald eagle eggs are off-white in color and average about 3 inches long by 2 inches wide. The average weight is 4-4.5 oz.
How many eggs does a bald eagle lay?
The average clutch (group of eggs) is 1-3. There are reports of 4 eggs in a clutch but such an event is very rare. The eggs are laid one at a time with a separation of a day or two between each egg and hatch in the order they are laid.
Who incubates the egg?
After it is laid, the egg must be constantly kept warm, or incubated, and protected from predators. Both males and females share incubation responsibilities, but the female typically spends more time on the nest than the male. Males leave the nest to hunt, often providing food for the female. However, the female will sometimes leave the nest to hunt for herself, at which times the male will be called upon to remain at the nest.
How long before they hatch?
Incubation for bald eagles is about 35 days. For golden eagles, the incubation period is between 40-45 days. It can take a day for the hatchling to completely break free of the egg after pipping(cracking the egg). Eggs hatch in the order in which they were laid.
Ref:
https://www.nationaleaglecenter.org/eagle-nesting-young/ #2 are Robin's eggs. FAQ about these eggs: Why are Robin’s eggs blue?
Researchers show that egg's (blue) color protects the embryo from harmful sunlight and prevents the egg from heating up.
Ref:
https://www.sciencedaily.com/releases/2016/05/160527190410.htm# 3 is photo of Bald Eagle from the National Eagle Center in Wabasha, MN with Anna, instructor and trainer. Photo of the egg shown in this post taken from this lecture.
Thanks to all.
OK. THE IDs OF THESE EGGS. Most of you ID'd #2 ri... (