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15 Australian Birds (Episode 3)

10,000 Birds

While females hatch from larger eggs and are initially heavier than their brothers, after ten days, the male chicks weigh almost 50% more than their sisters, as they receive a higher quantity and quality of prey from their parents ( source ). ” It might be better to adopt a random male teenager right away. ” ( source ).

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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

This almost certainly can be argued to be true just on the basis of logic, because feral Cats are proficient hunters and are entirely out of ecological place. It is probably true that there is a near 100% overlap in the rodents and other small terrestrial animals, as well as ground bird eggs, eaten by Coyotes and feral Cats.

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The Passenger Pigeon & A Message From Martha: One Pigeon, Two Book Reviews

10,000 Birds

” (I love that term, and may adopt it for future use.) How many eggs did a pigeon lay? He reasons out answers to both questions, finally stating that, despite what many eyewitnesses wrote, the birds had to have laid more than one egg and that the birds had to have nested more than once a breeding season.

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