Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小羽或大覆羽，通常秃鼻鸦有个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

个小组还注意到，根附近铰接的副，被称小的，对成直角配置，它可能被用来气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的羽或大覆羽，通常秃鼻鸦会有这特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这还注意到，根附近铰接的副，被称为的，对成直角配，能被用来作为空气流量控制装。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都『悬挂起来』的小羽或大覆羽，通常秃鼻鸦会有这个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组还注意，根附近铰接的副，被称为小的，对成直角配置，它可能被用来作为空气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小羽或大覆羽，通常秃鼻鸦会有这个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组到，根附近铰接的副，被称为小的，对成置，它可能被用来作为空气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小羽或大覆羽，鼻鸦会有这个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组还注意到，根附近铰接的副，被称为小的，对成直角配置，它可能被用来作为空气流装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小覆，通常秃鼻鸦会有这个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组还注意到，根附近铰接的副，被称为小的，对成直角配置，它可能被用来作为空气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起』的小羽或大覆羽，通常秃鼻鸦会有徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

小组还注意到，根附近铰接的副，被称为小的，对成直角配置，它可能被为空气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小羽或大覆羽，通常秃鼻鸦有个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

个小组还注意到，根附近铰接的副，被称小的，对成直角配置，它可能被用来气流量控制装置。

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

同时，所有的照片都看不到『悬挂起来』的小羽或大覆羽，通鸦会有这个特徵。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组还注意到，根附近铰接的副，被称为小的，对成直角配置，它可能被用来作为空气制装置。