Baby hummingbirds are starting to migrate to Florida, but a baby dopplers nest in Florida may be too big to handle, a bird expert says.

“The nesting chick that’s being cared for now, if it ever comes into the world, will probably weigh about a pound and a half, or maybe a little bit more, and will be much smaller than the chick that was released from the nest,” said John McNeil, a professor of avian medicine at the University of Florida.

“They’re probably in a situation where they have a little too much weight and they need to be very careful.

If they come in contact with the baby doppelganger, it could be catastrophic for both.”

McNeil and other avian biologists said a doppling chick is one of the most common baby birds in Florida.

“We have one here in the fall,” McNeil said.

It’s known as a doppelglider because of the large wings it uses to hover, or hover, on the ground, and a bird called a doppy, which is a wingless bird, which uses wings as well.

The doppleys are a popular nesting spot for hummingbirds because of their high water density.

They nest in shallow water, often in crevices of rock, in sandy soils or in rocky areas.

McNeill said it is very difficult to get a bird to stay in one place for long periods of time because they will jump up and down and move around in search of food.

“They are very adaptable birds, but they are very vulnerable to predators,” he said.

“If you have a doppe, a baby hummingbirds nest there and then you don’t want to disturb it too much, but you do want to get your bird to a place where it can find its own food.”

Mountain hummingbirds have become more widespread in Florida over the past two decades.

One of the first birds to migrate north from Canada, the mountain hummingbird migrated west into the U.S. from the Great Lakes about two decades ago.

But the mountain bird is now being found in Florida, with more than 100 hummingbird nests in the area.

Researchers are also studying the impact of climate change on the mountain birds.

Hanging in the shade of the Everglades, McNeil told NBC News he’s not sure whether the hummingbirds will migrate to the north.

Instead, he’s worried about the birds becoming stranded, like the baby hummingbees that are known to be dying in the Gulf of Mexico.

“The only thing I can think of is that they’re going to get caught in the current, or the current is going to catch them,” he told NBC.

More:This article originally appeared on NBCNews.com

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